131079401 has 4 divisors (see below), whose sum is σ = 138789972. Its totient is φ = 123368832.

The previous prime is 131079397. The next prime is 131079413. The reversal of 131079401 is 104970131.

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 119355625 + 11723776 = 10925^2 + 3424^2 .

It is a cyclic number.

It is not a de Polignac number, because 131079401 - 2² = 131079397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131079451) 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, 3855260 + ... + 3855293.

It is an arithmetic number, because the mean of its divisors is an integer number (34697493).

Almost surely, 2^131079401 is an apocalyptic number.

It is an amenable number.

131079401 is a deficient number, since it is larger than the sum of its proper divisors (7710571).

131079401 is an equidigital number, since it uses as much as digits as its factorization.

131079401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7710570.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 131079401 is about 11448.9912656094. The cubic root of 131079401 is about 507.9778972858.

The spelling of 131079401 in words is "one hundred thirty-one million, seventy-nine thousand, four hundred one".