131304194 has 64 divisors (see below), whose sum is σ = 245846016. Its totient is φ = 51378624.

The previous prime is 131304191. The next prime is 131304221. The reversal of 131304194 is 491403131.

It is not an unprimeable number, because it can be changed into a prime (131304191) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1227089 + ... + 1227195.

It is an arithmetic number, because the mean of its divisors is an integer number (3841344).

Almost surely, 2^131304194 is an apocalyptic number.

131304194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

131304194 is a deficient number, since it is larger than the sum of its proper divisors (114541822).

131304194 is a wasteful number, since it uses less digits than its factorization.

131304194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 131304194 is about 11458.8042133549. The cubic root of 131304194 is about 508.2681149212.

The spelling of 131304194 in words is "one hundred thirty-one million, three hundred four thousand, one hundred ninety-four".