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1354140 = 223257523
BaseRepresentation
bin101001010100110011100
32112210112100
411022212130
5321313030
645005100
714336634
oct5124634
92483470
101354140
11845427
12553790
13385488
142736c4
151bb360
hex14a99c

1354140 has 36 divisors (see below), whose sum is σ = 4108104. Its totient is φ = 361056.

The previous prime is 1354127. The next prime is 1354153. The reversal of 1354140 is 414531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1354127) and next prime (1354153).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3582 + ... + 3941.

It is an arithmetic number, because the mean of its divisors is an integer number (114114).

21354140 is an apocalyptic number.

1354140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1354140 is an abundant number, since it is smaller than the sum of its proper divisors (2753964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1354140 is a wasteful number, since it uses less digits than its factorization.

1354140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7538 (or 7533 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1354140 is about 1163.6752124197. The cubic root of 1354140 is about 110.6338066340.

Adding to 1354140 its reverse (414531), we get a palindrome (1768671).

The spelling of 1354140 in words is "one million, three hundred fifty-four thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 7523 15046 22569 30092 37615 45138 67707 75230 90276 112845 135414 150460 225690 270828 338535 451380 677070 1354140