2135544 has 32 divisors (see below), whose sum is σ = 5397840. Its totient is φ = 704000.

The previous prime is 2135537. The next prime is 2135563. The reversal of 2135544 is 4455312.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1984 + ... + 2864.

2^2135544 is an apocalyptic number.

2135544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2135544 is an abundant number, since it is smaller than the sum of its proper divisors (3262296).

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

2135544 is a wasteful number, since it uses less digits than its factorization.

2135544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991 (or 987 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 2135544 is about 1461.3500607315. The cubic root of 2135544 is about 128.7763687469.

The spelling of 2135544 in words is "two million, one hundred thirty-five thousand, five hundred forty-four".