131994992 has 10 divisors (see below), whose sum is σ = 255740328. Its totient is φ = 65997488.

The previous prime is 131994991. The next prime is 131994997. The reversal of 131994992 is 299499131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131994991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4124828 + ... + 4124859.

Almost surely, 2^131994992 is an apocalyptic number.

It is an amenable number.

131994992 is a deficient number, since it is larger than the sum of its proper divisors (123745336).

131994992 is an equidigital number, since it uses as much as digits as its factorization.

131994992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8249695 (or 8249689 counting only the distinct ones).

The product of its digits is 157464, while the sum is 47.

The square root of 131994992 is about 11488.9073457836. The cubic root of 131994992 is about 509.1578977557.

The spelling of 131994992 in words is "one hundred thirty-one million, nine hundred ninety-four thousand, nine hundred ninety-two".