25317390134 has 32 divisors (see below), whose sum is σ = 38815291200. Its totient is φ = 12382875648.

The previous prime is 25317390127. The next prime is 25317390149. The reversal of 25317390134 is 43109371352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6059054 + ... + 6063230.

It is an arithmetic number, because the mean of its divisors is an integer number (1212977850).

Almost surely, 2^25317390134 is an apocalyptic number.

25317390134 is a deficient number, since it is larger than the sum of its proper divisors (13497901066).

25317390134 is a wasteful number, since it uses less digits than its factorization.

25317390134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4632.

The product of its (nonzero) digits is 68040, while the sum is 38.

The spelling of 25317390134 in words is "twenty-five billion, three hundred seventeen million, three hundred ninety thousand, one hundred thirty-four".