131515456137 has 8 divisors (see below), whose sum is σ = 188842706304. Its totient is φ = 80932588368.

The previous prime is 131515456103. The next prime is 131515456157. The reversal of 131515456137 is 731654515131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131515456137 - 2⁶ = 131515456073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131515456157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1686095553 + ... + 1686095630.

It is an arithmetic number, because the mean of its divisors is an integer number (23605338288).

Almost surely, 2^131515456137 is an apocalyptic number.

It is an amenable number.

131515456137 is a deficient number, since it is larger than the sum of its proper divisors (57327250167).

131515456137 is a wasteful number, since it uses less digits than its factorization.

131515456137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3372191199.

The product of its digits is 189000, while the sum is 42.

The spelling of 131515456137 in words is "one hundred thirty-one billion, five hundred fifteen million, four hundred fifty-six thousand, one hundred thirty-seven".