131676537 has 4 divisors (see below), whose sum is σ = 175568720. Its totient is φ = 87784356.

The previous prime is 131676497. The next prime is 131676547. The reversal of 131676537 is 735676131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 131676537 - 2⁷ = 131676409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131676495 and 131676504.

It is not an unprimeable number, because it can be changed into a prime (131676547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21946087 + ... + 21946092.

It is an arithmetic number, because the mean of its divisors is an integer number (43892180).

Almost surely, 2^131676537 is an apocalyptic number.

It is an amenable number.

131676537 is a deficient number, since it is larger than the sum of its proper divisors (43892183).

131676537 is an equidigital number, since it uses as much as digits as its factorization.

131676537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43892182.

The product of its digits is 79380, while the sum is 39.

The square root of 131676537 is about 11475.0397384933. The cubic root of 131676537 is about 508.7480982408.

The spelling of 131676537 in words is "one hundred thirty-one million, six hundred seventy-six thousand, five hundred thirty-seven".