257062135914 has 24 divisors (see below), whose sum is σ = 557048130912. Its totient is φ = 85675044840.

The previous prime is 257062135879. The next prime is 257062135931. The reversal of 257062135914 is 419531260752.

257062135914 is a `hidden beast` number, since 2 + 5 + 7 + 0 + 621 + 3 + 5 + 9 + 14 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 257062135914.

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, 898854 + ... + 1149809.

It is an arithmetic number, because the mean of its divisors is an integer number (23210338788).

Almost surely, 2^257062135914 is an apocalyptic number.

257062135914 is an abundant number, since it is smaller than the sum of its proper divisors (299985994998).

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

257062135914 is a wasteful number, since it uses less digits than its factorization.

257062135914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055642 (or 2055639 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 257062135914 in words is "two hundred fifty-seven billion, sixty-two million, one hundred thirty-five thousand, nine hundred fourteen".