125137736806 has 8 divisors (see below), whose sum is σ = 197585900280. Its totient is φ = 59275770048.

The previous prime is 125137736791. The next prime is 125137736807. The reversal of 125137736806 is 608637731521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 125137736806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125137736807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1646549131 + ... + 1646549206.

It is an arithmetic number, because the mean of its divisors is an integer number (24698237535).

Almost surely, 2^125137736806 is an apocalyptic number.

125137736806 is a deficient number, since it is larger than the sum of its proper divisors (72448163474).

125137736806 is a wasteful number, since it uses less digits than its factorization.

125137736806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3293098358.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 125137736806 in words is "one hundred twenty-five billion, one hundred thirty-seven million, seven hundred thirty-six thousand, eight hundred six".