131499456 has 224 divisors, whose sum is σ = 416966400. Its totient is φ = 36126720.

The previous prime is 131499451. The next prime is 131499457. The reversal of 131499456 is 654994131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131499451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1163656 + ... + 1163768.

Almost surely, 2^131499456 is an apocalyptic number.

131499456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131499456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208483200).

131499456 is an abundant number, since it is smaller than the sum of its proper divisors (285466944).

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

131499456 is a wasteful number, since it uses less digits than its factorization.

131499456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 177 counting only the distinct ones).

The product of its digits is 116640, while the sum is 42.

The square root of 131499456 is about 11467.3212216280. The cubic root of 131499456 is about 508.5199380361.

The spelling of 131499456 in words is "one hundred thirty-one million, four hundred ninety-nine thousand, four hundred fifty-six".