129545252862 has 16 divisors (see below), whose sum is σ = 263979006480. Its totient is φ = 42367000832.

The previous prime is 129545252797. The next prime is 129545252867. The reversal of 129545252862 is 268252545921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129545252867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203687187 + ... + 203687822.

It is an arithmetic number, because the mean of its divisors is an integer number (16498687905).

Almost surely, 2^129545252862 is an apocalyptic number.

129545252862 is an abundant number, since it is smaller than the sum of its proper divisors (134433753618).

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

129545252862 is a wasteful number, since it uses less digits than its factorization.

129545252862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407375067.

The product of its digits is 3456000, while the sum is 51.

The spelling of 129545252862 in words is "one hundred twenty-nine billion, five hundred forty-five million, two hundred fifty-two thousand, eight hundred sixty-two".