131516275 has 12 divisors (see below), whose sum is σ = 177906024. Its totient is φ = 95648000.

The previous prime is 131516269. The next prime is 131516321. The reversal of 131516275 is 572615131.

It is not a de Polignac number, because 131516275 - 2⁹ = 131515763 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238846 + ... + 239395.

It is an arithmetic number, because the mean of its divisors is an integer number (14825502).

Almost surely, 2^131516275 is an apocalyptic number.

131516275 is a deficient number, since it is larger than the sum of its proper divisors (46389749).

131516275 is a wasteful number, since it uses less digits than its factorization.

131516275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478262 (or 478257 counting only the distinct ones).

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

The square root of 131516275 is about 11468.0545429467. The cubic root of 131516275 is about 508.5416172949.

The spelling of 131516275 in words is "one hundred thirty-one million, five hundred sixteen thousand, two hundred seventy-five".