131152340 has 24 divisors (see below), whose sum is σ = 300458592. Its totient is φ = 47691680.

The previous prime is 131152327. The next prime is 131152423. The reversal of 131152340 is 43251131.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297854 + ... + 298293.

It is an arithmetic number, because the mean of its divisors is an integer number (12519108).

Almost surely, 2^131152340 is an apocalyptic number.

131152340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131152340 is an abundant number, since it is smaller than the sum of its proper divisors (169306252).

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

131152340 is a wasteful number, since it uses less digits than its factorization.

131152340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596167 (or 596165 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 131152340 is about 11452.1762124061. The cubic root of 131152340 is about 508.0721010770.

The spelling of 131152340 in words is "one hundred thirty-one million, one hundred fifty-two thousand, three hundred forty".