131164501 has 8 divisors (see below), whose sum is σ = 141382584. Its totient is φ = 120964800.

The previous prime is 131164487. The next prime is 131164511. The reversal of 131164501 is 105461131.

It can be written as a sum of positive squares in 4 ways, for example, as 17422276 + 113742225 = 4174^2 + 10665^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 131164501 - 2²³ = 122775893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131164511) 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, 12651 + ... + 20551.

It is an arithmetic number, because the mean of its divisors is an integer number (17672823).

Almost surely, 2^131164501 is an apocalyptic number.

It is an amenable number.

131164501 is a deficient number, since it is larger than the sum of its proper divisors (10218083).

131164501 is a wasteful number, since it uses less digits than its factorization.

131164501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9191.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 131164501 is about 11452.7071472207. The cubic root of 131164501 is about 508.0878041235.

The spelling of 131164501 in words is "one hundred thirty-one million, one hundred sixty-four thousand, five hundred one".