131352340 has 36 divisors (see below), whose sum is σ = 320877396. Its totient is φ = 45034752.

The previous prime is 131352329. The next prime is 131352367. The reversal of 131352340 is 43253131.

It can be written as a sum of positive squares in 2 ways, for example, as 61027344 + 70324996 = 7812^2 + 8386^2 .

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 66037 + ... + 67996.

It is an arithmetic number, because the mean of its divisors is an integer number (8913261).

Almost surely, 2^131352340 is an apocalyptic number.

131352340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131352340 is an abundant number, since it is smaller than the sum of its proper divisors (189525056).

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

131352340 is a wasteful number, since it uses less digits than its factorization.

131352340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134056 (or 134047 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 131352340 is about 11460.9048508397. The cubic root of 131352340 is about 508.3302304448.

The spelling of 131352340 in words is "one hundred thirty-one million, three hundred fifty-two thousand, three hundred forty".