131896740 has 48 divisors (see below), whose sum is σ = 369831168. Its totient is φ = 35122944.

The previous prime is 131896703. The next prime is 131896759. The reversal of 131896740 is 47698131.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 65184 + ... + 67176.

It is an arithmetic number, because the mean of its divisors is an integer number (7704816).

Almost surely, 2^131896740 is an apocalyptic number.

131896740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131896740 is an abundant number, since it is smaller than the sum of its proper divisors (237934428).

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

131896740 is a wasteful number, since it uses less digits than its factorization.

131896740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108 (or 3106 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 131896740 is about 11484.6305991965. The cubic root of 131896740 is about 509.0315338723.

The spelling of 131896740 in words is "one hundred thirty-one million, eight hundred ninety-six thousand, seven hundred forty".