131453240 has 16 divisors (see below), whose sum is σ = 295769880. Its totient is φ = 52581280.

The previous prime is 131453233. The next prime is 131453251. The reversal of 131453240 is 42354131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1643126 + ... + 1643205.

Almost surely, 2^131453240 is an apocalyptic number.

131453240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131453240 is an abundant number, since it is smaller than the sum of its proper divisors (164316640).

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

131453240 is a wasteful number, since it uses less digits than its factorization.

131453240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3286342 (or 3286338 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 131453240 is about 11465.3059270130. The cubic root of 131453240 is about 508.4603572795.

The spelling of 131453240 in words is "one hundred thirty-one million, four hundred fifty-three thousand, two hundred forty".