131406492 has 24 divisors (see below), whose sum is σ = 350417536. Its totient is φ = 37544688.

The previous prime is 131406491. The next prime is 131406503. The reversal of 131406492 is 294604131.

It is a super-2 number, since 2×131406492² = 34535332279492128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131406491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782098 + ... + 782265.

Almost surely, 2^131406492 is an apocalyptic number.

131406492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131406492 is an abundant number, since it is smaller than the sum of its proper divisors (219011044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131406492 is a wasteful number, since it uses less digits than its factorization.

131406492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564377 (or 1564375 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 131406492 is about 11463.2670735703. The cubic root of 131406492 is about 508.4000764703.

The spelling of 131406492 in words is "one hundred thirty-one million, four hundred six thousand, four hundred ninety-two".