131896974 has 64 divisors (see below), whose sum is σ = 306063360. Its totient is φ = 37473120.

The previous prime is 131896967. The next prime is 131896981. The reversal of 131896974 is 479698131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131896967) and next prime (131896981).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133687 + ... + 134669.

It is an arithmetic number, because the mean of its divisors is an integer number (4782240).

Almost surely, 2^131896974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131896974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153031680).

131896974 is an abundant number, since it is smaller than the sum of its proper divisors (174166386).

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

131896974 is a wasteful number, since it uses less digits than its factorization.

131896974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125.

The product of its digits is 326592, while the sum is 48.

The square root of 131896974 is about 11484.6407867203. The cubic root of 131896974 is about 509.0318348990.

It can be divided in two parts, 131896 and 974, that added together give a triangular number (132870 = T₅₁₅).

The spelling of 131896974 in words is "one hundred thirty-one million, eight hundred ninety-six thousand, nine hundred seventy-four".