13238571402 has 48 divisors (see below), whose sum is σ = 32794549632. Its totient is φ = 3780911520.

The previous prime is 13238571397. The next prime is 13238571431. The reversal of 13238571402 is 20417583231.

13238571402 is a `hidden beast` number, since 13 + 2 + 38 + 571 + 40 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310203 + ... + 350289.

It is an arithmetic number, because the mean of its divisors is an integer number (683219784).

Almost surely, 2^13238571402 is an apocalyptic number.

13238571402 is an abundant number, since it is smaller than the sum of its proper divisors (19555978230).

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

13238571402 is a wasteful number, since it uses less digits than its factorization.

13238571402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42723 (or 42720 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 13238571402 in words is "thirteen billion, two hundred thirty-eight million, five hundred seventy-one thousand, four hundred two".