131976353 has 4 divisors (see below), whose sum is σ = 132066948. Its totient is φ = 131885760.

The previous prime is 131976311. The next prime is 131976401. The reversal of 131976353 is 353679131.

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 57032704 + 74943649 = 7552^2 + 8657^2 .

It is a cyclic number.

It is not a de Polignac number, because 131976353 - 2¹⁰ = 131975329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131976653) 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, 43076 + ... + 46037.

It is an arithmetic number, because the mean of its divisors is an integer number (33016737).

Almost surely, 2^131976353 is an apocalyptic number.

It is an amenable number.

131976353 is a deficient number, since it is larger than the sum of its proper divisors (90595).

131976353 is an equidigital number, since it uses as much as digits as its factorization.

131976353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90594.

The product of its digits is 51030, while the sum is 38.

The square root of 131976353 is about 11488.0961433999. The cubic root of 131976353 is about 509.1339305818.

The spelling of 131976353 in words is "one hundred thirty-one million, nine hundred seventy-six thousand, three hundred fifty-three".