15243530136 has 32 divisors (see below), whose sum is σ = 38120996400. Its totient is φ = 5079553920.

The previous prime is 15243530123. The next prime is 15243530153. The reversal of 15243530136 is 63103534251.

It is a super-2 number, since 2×15243530136² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15243530097 and 15243530106.

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, 23491 + ... + 176178.

Almost surely, 2^15243530136 is an apocalyptic number.

It is an amenable number.

15243530136 is an abundant number, since it is smaller than the sum of its proper divisors (22877466264).

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

15243530136 is a wasteful number, since it uses less digits than its factorization.

15243530136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202859 (or 202855 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The spelling of 15243530136 in words is "fifteen billion, two hundred forty-three million, five hundred thirty thousand, one hundred thirty-six".