131642894825 has 24 divisors (see below), whose sum is σ = 175813544088. Its totient is φ = 97202350080.

The previous prime is 131642894821. The next prime is 131642894827. The reversal of 131642894825 is 528498246131.

It can be written as a sum of positive squares in 12 ways, for example, as 118317424729 + 13325470096 = 343973^2 + 115436^2 .

It is not a de Polignac number, because 131642894825 - 2² = 131642894821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131642894821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3973529 + ... + 4006521.

It is an arithmetic number, because the mean of its divisors is an integer number (7325564337).

Almost surely, 2^131642894825 is an apocalyptic number.

It is an amenable number.

131642894825 is a deficient number, since it is larger than the sum of its proper divisors (44170649263).

131642894825 is a wasteful number, since it uses less digits than its factorization.

131642894825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45293 (or 45288 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 53.

The spelling of 131642894825 in words is "one hundred thirty-one billion, six hundred forty-two million, eight hundred ninety-four thousand, eight hundred twenty-five".