131339953 has 2 divisors, whose sum is σ = 131339954. Its totient is φ = 131339952.

The previous prime is 131339941. The next prime is 131339969. The reversal of 131339953 is 359933131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89245809 + 42094144 = 9447^2 + 6488^2 .

It is a cyclic number.

It is not a de Polignac number, because 131339953 - 2¹⁷ = 131208881 is a prime.

It is not a weakly prime, because it can be changed into another prime (131339903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65669976 + 65669977.

It is an arithmetic number, because the mean of its divisors is an integer number (65669977).

Almost surely, 2^131339953 is an apocalyptic number.

It is an amenable number.

131339953 is a deficient number, since it is larger than the sum of its proper divisors (1).

131339953 is an equidigital number, since it uses as much as digits as its factorization.

131339953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32805, while the sum is 37.

The square root of 131339953 is about 11460.3644357411. The cubic root of 131339953 is about 508.3142508170.

The spelling of 131339953 in words is "one hundred thirty-one million, three hundred thirty-nine thousand, nine hundred fifty-three".