125140039164 has 72 divisors (see below), whose sum is σ = 377233758720. Its totient is φ = 34199760672.

The previous prime is 125140039147. The next prime is 125140039183. The reversal of 125140039164 is 461930041521.

It is a happy number.

125140039164 is a `hidden beast` number, since 12 + 51 + 400 + 39 + 164 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10789584 + ... + 10801175.

It is an arithmetic number, because the mean of its divisors is an integer number (5239357760).

Almost surely, 2^125140039164 is an apocalyptic number.

125140039164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

125140039164 is an abundant number, since it is smaller than the sum of its proper divisors (252093719556).

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

125140039164 is a wasteful number, since it uses less digits than its factorization.

125140039164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21590799 (or 21590794 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 125140039164 in words is "one hundred twenty-five billion, one hundred forty million, thirty-nine thousand, one hundred sixty-four".