131540370 has 32 divisors (see below), whose sum is σ = 339982272. Its totient is φ = 32379072.

The previous prime is 131540369. The next prime is 131540417. The reversal of 131540370 is 73045131.

It is a self number, because there is not a number n which added to its sum of digits gives 131540370.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168252 + ... + 169031.

It is an arithmetic number, because the mean of its divisors is an integer number (10624446).

Almost surely, 2^131540370 is an apocalyptic number.

131540370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131540370 is an abundant number, since it is smaller than the sum of its proper divisors (208441902).

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

131540370 is a wasteful number, since it uses less digits than its factorization.

131540370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337306.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 131540370 is about 11469.1050217530. The cubic root of 131540370 is about 508.5726719104.

The spelling of 131540370 in words is "one hundred thirty-one million, five hundred forty thousand, three hundred seventy".