131374725237 has 24 divisors (see below), whose sum is σ = 228286909760. Its totient is φ = 71120151360.

The previous prime is 131374725233. The next prime is 131374725239. The reversal of 131374725237 is 732527473131.

131374725237 is a `hidden beast` number, since 13 + 137 + 472 + 5 + 2 + 37 = 666.

It is not a de Polignac number, because 131374725237 - 2² = 131374725233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131374725192 and 131374725201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131374725233) 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, 54875464 + ... + 54877857.

Almost surely, 2^131374725237 is an apocalyptic number.

It is an amenable number.

131374725237 is a deficient number, since it is larger than the sum of its proper divisors (96912184523).

131374725237 is a wasteful number, since it uses less digits than its factorization.

131374725237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109753353 (or 109753350 counting only the distinct ones).

The product of its digits is 740880, while the sum is 45.

It can be divided in two parts, 13137 and 4725237, that added together give a palindrome (4738374).

The spelling of 131374725237 in words is "one hundred thirty-one billion, three hundred seventy-four million, seven hundred twenty-five thousand, two hundred thirty-seven".