131676761 has 4 divisors (see below), whose sum is σ = 133263312. Its totient is φ = 130090212.

The previous prime is 131676749. The next prime is 131676803. The reversal of 131676761 is 167676131.

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, and also an emirpimes, since its reverse is a distinct semiprime: 167676131 = 7 ⋅23953733.

It is a cyclic number.

It is not a de Polignac number, because 131676761 - 2⁶ = 131676697 is a prime.

It is a super-2 number, since 2×131676761² = 34677538774902242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131676161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793151 + ... + 793316.

It is an arithmetic number, because the mean of its divisors is an integer number (33315828).

Almost surely, 2^131676761 is an apocalyptic number.

It is an amenable number.

131676761 is a deficient number, since it is larger than the sum of its proper divisors (1586551).

131676761 is an equidigital number, since it uses as much as digits as its factorization.

131676761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586550.

The product of its digits is 31752, while the sum is 38.

The square root of 131676761 is about 11475.0494988039. The cubic root of 131676761 is about 508.7483867243.

The spelling of 131676761 in words is "one hundred thirty-one million, six hundred seventy-six thousand, seven hundred sixty-one".