1340484100 has 36 divisors (see below), whose sum is σ = 2987476324. Its totient is φ = 521700480.

The previous prime is 1340484077. The next prime is 1340484121. The reversal of 1340484100 is 14840431.

It can be written as a sum of positive squares in 6 ways, for example, as 24681024 + 1315803076 = 4968^2 + 36274^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 177447 + ... + 184846.

Almost surely, 2^1340484100 is an apocalyptic number.

1340484100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340484100 is an abundant number, since it is smaller than the sum of its proper divisors (1646992224).

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

1340484100 is a wasteful number, since it uses less digits than its factorization.

1340484100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362344 (or 362337 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1340484100 is about 36612.6221404586. The cubic root of 1340484100 is about 1102.6065185381.

The spelling of 1340484100 in words is "one billion, three hundred forty million, four hundred eighty-four thousand, one hundred".