131437340 has 12 divisors (see below), whose sum is σ = 276018456. Its totient is φ = 52574928.

The previous prime is 131437337. The next prime is 131437351. The reversal of 131437340 is 43734131.

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, 3285914 + ... + 3285953.

It is an arithmetic number, because the mean of its divisors is an integer number (23001538).

Almost surely, 2^131437340 is an apocalyptic number.

131437340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131437340 is an abundant number, since it is smaller than the sum of its proper divisors (144581116).

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

131437340 is a wasteful number, since it uses less digits than its factorization.

131437340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6571876 (or 6571874 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 131437340 is about 11464.6125098060. The cubic root of 131437340 is about 508.4398560841.

The spelling of 131437340 in words is "one hundred thirty-one million, four hundred thirty-seven thousand, three hundred forty".