131134579 has 8 divisors (see below), whose sum is σ = 133106400. Its totient is φ = 129177216.

The previous prime is 131134543. The next prime is 131134589. The reversal of 131134579 is 975431131.

It is a happy number.

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 131134579 - 2¹⁵ = 131101811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131134529) 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, 15397 + ... + 22345.

It is an arithmetic number, because the mean of its divisors is an integer number (16638300).

Almost surely, 2^131134579 is an apocalyptic number.

131134579 is a deficient number, since it is larger than the sum of its proper divisors (1971821).

131134579 is a wasteful number, since it uses less digits than its factorization.

131134579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7229.

The product of its digits is 11340, while the sum is 34.

The square root of 131134579 is about 11451.4007440138. The cubic root of 131134579 is about 508.0491652149.

The spelling of 131134579 in words is "one hundred thirty-one million, one hundred thirty-four thousand, five hundred seventy-nine".