131338963 has 12 divisors (see below), whose sum is σ = 160824360. Its totient is φ = 106650432.

The previous prime is 131338943. The next prime is 131338967. The reversal of 131338963 is 369833131.

It is a happy number.

It is not a de Polignac number, because 131338963 - 2⁵ = 131338931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131338967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69606 + ... + 71467.

It is an arithmetic number, because the mean of its divisors is an integer number (13402030).

Almost surely, 2^131338963 is an apocalyptic number.

131338963 is a deficient number, since it is larger than the sum of its proper divisors (29485397).

131338963 is a wasteful number, since it uses less digits than its factorization.

131338963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141106 (or 141099 counting only the distinct ones).

The product of its digits is 34992, while the sum is 37.

The square root of 131338963 is about 11460.3212433160. The cubic root of 131338963 is about 508.3129736419.

The spelling of 131338963 in words is "one hundred thirty-one million, three hundred thirty-eight thousand, nine hundred sixty-three".