131160340 has 12 divisors (see below), whose sum is σ = 275436756. Its totient is φ = 52464128.

The previous prime is 131160299. The next prime is 131160377. The reversal of 131160340 is 43061131.

It can be written as a sum of positive squares in 2 ways, for example, as 60902416 + 70257924 = 7804^2 + 8382^2 .

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 3 ways as a sum of consecutive naturals, for example, 3278989 + ... + 3279028.

It is an arithmetic number, because the mean of its divisors is an integer number (22953063).

Almost surely, 2^131160340 is an apocalyptic number.

131160340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131160340 is an abundant number, since it is smaller than the sum of its proper divisors (144276416).

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

131160340 is a wasteful number, since it uses less digits than its factorization.

131160340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6558026 (or 6558024 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 131160340 is about 11452.5254856735. The cubic root of 131160340 is about 508.0824312883.

The spelling of 131160340 in words is "one hundred thirty-one million, one hundred sixty thousand, three hundred forty".