131781674 has 16 divisors (see below), whose sum is σ = 206539200. Its totient is φ = 62942880.

The previous prime is 131781659. The next prime is 131781707. The reversal of 131781674 is 476187131.

It is a happy number.

131781674 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46889 + ... + 49619.

It is an arithmetic number, because the mean of its divisors is an integer number (12908700).

Almost surely, 2^131781674 is an apocalyptic number.

131781674 is a deficient number, since it is larger than the sum of its proper divisors (74757526).

131781674 is a wasteful number, since it uses less digits than its factorization.

131781674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3805.

The product of its digits is 28224, while the sum is 38.

The square root of 131781674 is about 11479.6199414441. The cubic root of 131781674 is about 508.8834653569.

The spelling of 131781674 in words is "one hundred thirty-one million, seven hundred eighty-one thousand, six hundred seventy-four".