131725156 has 6 divisors (see below), whose sum is σ = 230519030. Its totient is φ = 65862576.

The previous prime is 131725147. The next prime is 131725159. The reversal of 131725156 is 651527131.

It can be written as a sum of positive squares in only one way, i.e., 71910400 + 59814756 = 8480^2 + 7734^2 .

It is not an unprimeable number, because it can be changed into a prime (131725159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16465641 + ... + 16465648.

Almost surely, 2^131725156 is an apocalyptic number.

It is an amenable number.

131725156 is a deficient number, since it is larger than the sum of its proper divisors (98793874).

131725156 is a wasteful number, since it uses less digits than its factorization.

131725156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32931293 (or 32931291 counting only the distinct ones).

The product of its digits is 6300, while the sum is 31.

The square root of 131725156 is about 11477.1580105878. The cubic root of 131725156 is about 508.8107056490.

The spelling of 131725156 in words is "one hundred thirty-one million, seven hundred twenty-five thousand, one hundred fifty-six".