131339968 has 14 divisors (see below), whose sum is σ = 260627876. Its totient is φ = 65669952.

The previous prime is 131339953. The next prime is 131339969. The reversal of 131339968 is 869933131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (131339969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026030 + ... + 1026157.

Almost surely, 2^131339968 is an apocalyptic number.

It is an amenable number.

131339968 is a deficient number, since it is larger than the sum of its proper divisors (129287908).

131339968 is an equidigital number, since it uses as much as digits as its factorization.

131339968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052199 (or 2052189 counting only the distinct ones).

The product of its digits is 104976, while the sum is 43.

The square root of 131339968 is about 11460.3650901706. The cubic root of 131339968 is about 508.3142701681.

The spelling of 131339968 in words is "one hundred thirty-one million, three hundred thirty-nine thousand, nine hundred sixty-eight".