131458992 has 40 divisors (see below), whose sum is σ = 388118016. Its totient is φ = 37559616.

The previous prime is 131458981. The next prime is 131459051. The reversal of 131458992 is 299854131.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195288 + ... + 195959.

Almost surely, 2^131458992 is an apocalyptic number.

131458992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131458992 is an abundant number, since it is smaller than the sum of its proper divisors (256659024).

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

131458992 is a wasteful number, since it uses less digits than its factorization.

131458992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391265 (or 391259 counting only the distinct ones).

The product of its digits is 77760, while the sum is 42.

The square root of 131458992 is about 11465.5567679899. The cubic root of 131458992 is about 508.4677734053.

It can be divided in two parts, 1314 and 58992, that added together give a palindrome (60306).

The spelling of 131458992 in words is "one hundred thirty-one million, four hundred fifty-eight thousand, nine hundred ninety-two".