125131613135 has 8 divisors (see below), whose sum is σ = 150159865200. Its totient is φ = 100104004224.

The previous prime is 125131613039. The next prime is 125131613147. The reversal of 125131613135 is 531316131521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125131613135 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565484 + ... + 755006.

It is an arithmetic number, because the mean of its divisors is an integer number (18769983150).

Almost surely, 2^125131613135 is an apocalyptic number.

125131613135 is a deficient number, since it is larger than the sum of its proper divisors (25028252065).

125131613135 is a wasteful number, since it uses less digits than its factorization.

125131613135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321577.

The product of its digits is 8100, while the sum is 32.

Adding to 125131613135 its reverse (531316131521), we get a palindrome (656447744656).

The spelling of 125131613135 in words is "one hundred twenty-five billion, one hundred thirty-one million, six hundred thirteen thousand, one hundred thirty-five".