125134340736 has 64 divisors (see below), whose sum is σ = 335615267520. Its totient is φ = 41306468352.

The previous prime is 125134340719. The next prime is 125134340759. The reversal of 125134340736 is 637043431521.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 125134340694 and 125134340703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1542345 + ... + 1621448.

It is an arithmetic number, because the mean of its divisors is an integer number (5243988555).

Almost surely, 2^125134340736 is an apocalyptic number.

125134340736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125134340736 is an abundant number, since it is smaller than the sum of its proper divisors (210480926784).

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

125134340736 is a wasteful number, since it uses less digits than its factorization.

125134340736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3163913 (or 3163901 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 125134340736 in words is "one hundred twenty-five billion, one hundred thirty-four million, three hundred forty thousand, seven hundred thirty-six".