125739135 has 48 divisors (see below), whose sum is σ = 232211616. Its totient is φ = 65225088.

The previous prime is 125739113. The next prime is 125739151. The reversal of 125739135 is 531937521.

It is not a de Polignac number, because 125739135 - 2⁹ = 125738623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125739135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43557 + ... + 46353.

It is an arithmetic number, because the mean of its divisors is an integer number (4837742).

Almost surely, 2^125739135 is an apocalyptic number.

125739135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125739135 is a deficient number, since it is larger than the sum of its proper divisors (106472481).

125739135 is an equidigital number, since it uses as much as digits as its factorization.

125739135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854 (or 2842 counting only the distinct ones).

The product of its digits is 28350, while the sum is 36.

The square root of 125739135 is about 11213.3462891324. The cubic root of 125739135 is about 500.9835772163.

The spelling of 125739135 in words is "one hundred twenty-five million, seven hundred thirty-nine thousand, one hundred thirty-five".