131417992 has 8 divisors (see below), whose sum is σ = 246408750. Its totient is φ = 65708992.

The previous prime is 131417989. The next prime is 131417999. The reversal of 131417992 is 299714131.

It can be written as a sum of positive squares in only one way, i.e., 129185956 + 2232036 = 11366^2 + 1494^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (131417999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8213617 + ... + 8213632.

Almost surely, 2^131417992 is an apocalyptic number.

It is an amenable number.

131417992 is a deficient number, since it is larger than the sum of its proper divisors (114990758).

131417992 is a wasteful number, since it uses less digits than its factorization.

131417992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16427255 (or 16427251 counting only the distinct ones).

The product of its digits is 13608, while the sum is 37.

The square root of 131417992 is about 11463.7686647978. The cubic root of 131417992 is about 508.4149068648.

It can be divided in two parts, 1314 and 17992, that added together give a triangular number (19306 = T₁₉₆).

The spelling of 131417992 in words is "one hundred thirty-one million, four hundred seventeen thousand, nine hundred ninety-two".