131868364 has 6 divisors (see below), whose sum is σ = 230769644. Its totient is φ = 65934180.

The previous prime is 131868353. The next prime is 131868403. The reversal of 131868364 is 463868131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16483542 + ... + 16483549.

Almost surely, 2^131868364 is an apocalyptic number.

It is an amenable number.

131868364 is a deficient number, since it is larger than the sum of its proper divisors (98901280).

131868364 is a wasteful number, since it uses less digits than its factorization.

131868364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32967095 (or 32967093 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 131868364 is about 11483.3951425526. The cubic root of 131868364 is about 508.9950272466.

The spelling of 131868364 in words is "one hundred thirty-one million, eight hundred sixty-eight thousand, three hundred sixty-four".