131512740237 has 10 divisors (see below), whose sum is σ = 196457303438. Its totient is φ = 87675160104.

The previous prime is 131512740199. The next prime is 131512740241. The reversal of 131512740237 is 732047215131.

131512740237 is a `hidden beast` number, since 1 + 3 + 151 + 274 + 0 + 237 = 666.

It can be written as a sum of positive squares in only one way, i.e., 128991595716 + 2521144521 = 359154^2 + 50211^2 .

It is not a de Polignac number, because 131512740237 - 2¹⁶ = 131512674701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131512740277) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 811806958 + ... + 811807119.

Almost surely, 2^131512740237 is an apocalyptic number.

It is an amenable number.

131512740237 is a deficient number, since it is larger than the sum of its proper divisors (64944563201).

131512740237 is an equidigital number, since it uses as much as digits as its factorization.

131512740237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623614089 (or 1623614080 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

Adding to 131512740237 its reverse (732047215131), we get a palindrome (863559955368).

The spelling of 131512740237 in words is "one hundred thirty-one billion, five hundred twelve million, seven hundred forty thousand, two hundred thirty-seven".