131247953 has 8 divisors (see below), whose sum is σ = 138364800. Its totient is φ = 124152048.

The previous prime is 131247947. The next prime is 131247967. The reversal of 131247953 is 359742131.

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 131247953 - 2⁴ = 131247937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131247253) 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, 8600 + ... + 18342.

It is an arithmetic number, because the mean of its divisors is an integer number (17295600).

Almost surely, 2^131247953 is an apocalyptic number.

It is an amenable number.

131247953 is a deficient number, since it is larger than the sum of its proper divisors (7116847).

131247953 is an equidigital number, since it uses as much as digits as its factorization.

131247953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10471.

The product of its digits is 22680, while the sum is 35.

The square root of 131247953 is about 11456.3498986370. The cubic root of 131247953 is about 508.1955364085.

The spelling of 131247953 in words is "one hundred thirty-one million, two hundred forty-seven thousand, nine hundred fifty-three".