131474378 has 16 divisors (see below), whose sum is σ = 226333440. Its totient is φ = 56108976.

The previous prime is 131474363. The next prime is 131474381. The reversal of 131474378 is 873474131.

It is a Curzon number.

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, 16301 + ... + 22992.

It is an arithmetic number, because the mean of its divisors is an integer number (14145840).

Almost surely, 2^131474378 is an apocalyptic number.

131474378 is a deficient number, since it is larger than the sum of its proper divisors (94859062).

131474378 is a wasteful number, since it uses less digits than its factorization.

131474378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39541.

The product of its digits is 56448, while the sum is 38.

The square root of 131474378 is about 11466.2277144665. The cubic root of 131474378 is about 508.4876097052.

The spelling of 131474378 in words is "one hundred thirty-one million, four hundred seventy-four thousand, three hundred seventy-eight".