131440712525 has 12 divisors (see below), whose sum is σ = 163030190400. Its totient is φ = 105124372080.

The previous prime is 131440712509. The next prime is 131440712531. The reversal of 131440712525 is 525217044131.

It is not a de Polignac number, because 131440712525 - 2⁴ = 131440712509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 609605 + ... + 796554.

It is an arithmetic number, because the mean of its divisors is an integer number (13585849200).

Almost surely, 2^131440712525 is an apocalyptic number.

It is an amenable number.

131440712525 is a deficient number, since it is larger than the sum of its proper divisors (31589477875).

131440712525 is a wasteful number, since it uses less digits than its factorization.

131440712525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409908 (or 1409903 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

Adding to 131440712525 its reverse (525217044131), we get a palindrome (656657756656).

The spelling of 131440712525 in words is "one hundred thirty-one billion, four hundred forty million, seven hundred twelve thousand, five hundred twenty-five".