131897024 has 84 divisors (see below), whose sum is σ = 307686456. Its totient is φ = 55931904.

The previous prime is 131897009. The next prime is 131897027. The reversal of 131897024 is 420798131.

It is not an unprimeable number, because it can be changed into a prime (131897027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 429479 + ... + 429785.

It is an arithmetic number, because the mean of its divisors is an integer number (3662934).

Almost surely, 2^131897024 is an apocalyptic number.

131897024 is a gapful number since it is divisible by the number (14) 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 131897024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153843228).

131897024 is an abundant number, since it is smaller than the sum of its proper divisors (175789432).

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

131897024 is a wasteful number, since it uses less digits than its factorization.

131897024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 131897024 is about 11484.6429635405. The cubic root of 131897024 is about 509.0318992209.

The spelling of 131897024 in words is "one hundred thirty-one million, eight hundred ninety-seven thousand, twenty-four".