131194394 has 8 divisors (see below), whose sum is σ = 197540640. Its totient is φ = 65347516.

The previous prime is 131194367. The next prime is 131194403. The reversal of 131194394 is 493491131.

131194394 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124184 + ... + 125235.

It is an arithmetic number, because the mean of its divisors is an integer number (24692580).

Almost surely, 2^131194394 is an apocalyptic number.

131194394 is a deficient number, since it is larger than the sum of its proper divisors (66346246).

131194394 is a wasteful number, since it uses less digits than its factorization.

131194394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249684.

The product of its digits is 11664, while the sum is 35.

The square root of 131194394 is about 11454.0121354921. The cubic root of 131194394 is about 508.1263997164.

The spelling of 131194394 in words is "one hundred thirty-one million, one hundred ninety-four thousand, three hundred ninety-four".