25132136930 has 16 divisors (see below), whose sum is σ = 45251966520. Its totient is φ = 10049716992.

The previous prime is 25132136927. The next prime is 25132136941. The reversal of 25132136930 is 3963123152.

25132136930 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 25096579561 + 35557369 = 158419^2 + 5963^2 .

It is a Curzon 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, 358445 + ... + 422784.

Almost surely, 2^25132136930 is an apocalyptic number.

25132136930 is a deficient number, since it is larger than the sum of its proper divisors (20119829590).

25132136930 is a wasteful number, since it uses less digits than its factorization.

25132136930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784453.

The product of its (nonzero) digits is 29160, while the sum is 35.

The spelling of 25132136930 in words is "twenty-five billion, one hundred thirty-two million, one hundred thirty-six thousand, nine hundred thirty".