131552340 has 48 divisors (see below), whose sum is σ = 371625408. Its totient is φ = 34768384.

The previous prime is 131552339. The next prime is 131552347. The reversal of 131552340 is 43255131.

It is a self number, because there is not a number n which added to its sum of digits gives 131552340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131552347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2922 + ... + 16481.

It is an arithmetic number, because the mean of its divisors is an integer number (7742196).

Almost surely, 2^131552340 is an apocalyptic number.

131552340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131552340 is an abundant number, since it is smaller than the sum of its proper divisors (240073068).

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

131552340 is a wasteful number, since it uses less digits than its factorization.

131552340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19528 (or 19526 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 131552340 is about 11469.6268465892. The cubic root of 131552340 is about 508.5880979230.

The spelling of 131552340 in words is "one hundred thirty-one million, five hundred fifty-two thousand, three hundred forty".