131959768 has 16 divisors (see below), whose sum is σ = 247826160. Its totient is φ = 65872800.

The previous prime is 131959741. The next prime is 131959801. The reversal of 131959768 is 867959131.

It is a super-2 number, since 2×131959768² = 34826760741227648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8023 + ... + 18118.

It is an arithmetic number, because the mean of its divisors is an integer number (15489135).

Almost surely, 2^131959768 is an apocalyptic number.

It is an amenable number.

131959768 is a deficient number, since it is larger than the sum of its proper divisors (115866392).

131959768 is a wasteful number, since it uses less digits than its factorization.

131959768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26778 (or 26774 counting only the distinct ones).

The product of its digits is 408240, while the sum is 49.

The square root of 131959768 is about 11487.3742865809. The cubic root of 131959768 is about 509.1126026702.

The spelling of 131959768 in words is "one hundred thirty-one million, nine hundred fifty-nine thousand, seven hundred sixty-eight".