129374504265 has 16 divisors (see below), whose sum is σ = 217893902400. Its totient is φ = 65368170432.

The previous prime is 129374504257. The next prime is 129374504291. The reversal of 129374504265 is 562405473921.

It is not a de Polignac number, because 129374504265 - 2³ = 129374504257 is a prime.

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, 226972530 + ... + 226973099.

It is an arithmetic number, because the mean of its divisors is an integer number (13618368900).

Almost surely, 2^129374504265 is an apocalyptic number.

129374504265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

129374504265 is a deficient number, since it is larger than the sum of its proper divisors (88519398135).

129374504265 is a wasteful number, since it uses less digits than its factorization.

129374504265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453945656.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 129374504265 in words is "one hundred twenty-nine billion, three hundred seventy-four million, five hundred four thousand, two hundred sixty-five".