13154521432 has 16 divisors (see below), whose sum is σ = 26562014640. Its totient is φ = 6071317536.

The previous prime is 13154521417. The next prime is 13154521433. The reversal of 13154521432 is 23412545131.

It is a junction number, because it is equal to n+sod(n) for n = 13154521394 and 13154521403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13154521433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63242788 + ... + 63242995.

It is an arithmetic number, because the mean of its divisors is an integer number (1660125915).

Almost surely, 2^13154521432 is an apocalyptic number.

It is an amenable number.

13154521432 is an abundant number, since it is smaller than the sum of its proper divisors (13407493208).

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

13154521432 is a wasteful number, since it uses less digits than its factorization.

13154521432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126485802 (or 126485798 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The spelling of 13154521432 in words is "thirteen billion, one hundred fifty-four million, five hundred twenty-one thousand, four hundred thirty-two".