129806924527 has 16 divisors (see below), whose sum is σ = 148797983232. Its totient is φ = 110928011040.

The previous prime is 129806924519. The next prime is 129806924539. The reversal of 129806924527 is 725429608921.

It is a happy number.

It is not a de Polignac number, because 129806924527 - 2³ = 129806924519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129806922527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4899438 + ... + 4925860.

It is an arithmetic number, because the mean of its divisors is an integer number (9299873952).

Almost surely, 2^129806924527 is an apocalyptic number.

129806924527 is a deficient number, since it is larger than the sum of its proper divisors (18991058705).

129806924527 is a wasteful number, since it uses less digits than its factorization.

129806924527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28518.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 129806924527 in words is "one hundred twenty-nine billion, eight hundred six million, nine hundred twenty-four thousand, five hundred twenty-seven".