131692801 has 4 divisors (see below), whose sum is σ = 131716612. Its totient is φ = 131668992.

The previous prime is 131692793. The next prime is 131692817. The reversal of 131692801 is 108296131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56610576 + 75082225 = 7524^2 + 8665^2 .

It is a cyclic number.

It is not a de Polignac number, because 131692801 - 2³ = 131692793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131692831) 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, 1201 + ... + 16273.

It is an arithmetic number, because the mean of its divisors is an integer number (32929153).

Almost surely, 2^131692801 is an apocalyptic number.

It is an amenable number.

131692801 is a deficient number, since it is larger than the sum of its proper divisors (23811).

131692801 is an equidigital number, since it uses as much as digits as its factorization.

131692801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23810.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 131692801 is about 11475.7483851817. The cubic root of 131692801 is about 508.7690433502.

The spelling of 131692801 in words is "one hundred thirty-one million, six hundred ninety-two thousand, eight hundred one".