131391094 has 8 divisors (see below), whose sum is σ = 199786680. Its totient is φ = 64795536.

The previous prime is 131391049. The next prime is 131391149. The reversal of 131391094 is 490193131.

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

It is a congruent number.

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, 449824 + ... + 450115.

It is an arithmetic number, because the mean of its divisors is an integer number (24973335).

Almost surely, 2^131391094 is an apocalyptic number.

131391094 is a deficient number, since it is larger than the sum of its proper divisors (68395586).

131391094 is an equidigital number, since it uses as much as digits as its factorization.

131391094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900014.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 131391094 is about 11462.5954303552. The cubic root of 131391094 is about 508.3802178620.

The spelling of 131391094 in words is "one hundred thirty-one million, three hundred ninety-one thousand, ninety-four".