125135713 has 4 divisors (see below), whose sum is σ = 125975700. Its totient is φ = 124295728.

The previous prime is 125135711. The next prime is 125135737. The reversal of 125135713 is 317531521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 317531521 = 37 ⋅8581933.

It can be written as a sum of positive squares in 2 ways, for example, as 26967249 + 98168464 = 5193^2 + 9908^2 .

It is a cyclic number.

It is not a de Polignac number, because 125135713 - 2¹ = 125135711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125135711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419770 + ... + 420067.

It is an arithmetic number, because the mean of its divisors is an integer number (31493925).

Almost surely, 2^125135713 is an apocalyptic number.

It is an amenable number.

125135713 is a deficient number, since it is larger than the sum of its proper divisors (839987).

125135713 is an equidigital number, since it uses as much as digits as its factorization.

125135713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839986.

The product of its digits is 3150, while the sum is 28.

The square root of 125135713 is about 11186.4075109036. The cubic root of 125135713 is about 500.1808852198.

The spelling of 125135713 in words is "one hundred twenty-five million, one hundred thirty-five thousand, seven hundred thirteen".