131694398 has 16 divisors (see below), whose sum is σ = 215737344. Its totient is φ = 59795160.

The previous prime is 131694379. The next prime is 131694403. The reversal of 131694398 is 893496131.

It is a congruent 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, 21161 + ... + 26667.

It is an arithmetic number, because the mean of its divisors is an integer number (13483584).

Almost surely, 2^131694398 is an apocalyptic number.

131694398 is a deficient number, since it is larger than the sum of its proper divisors (84042946).

131694398 is a wasteful number, since it uses less digits than its factorization.

131694398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6607.

The product of its digits is 139968, while the sum is 44.

The square root of 131694398 is about 11475.8179664894. The cubic root of 131694398 is about 508.7710999063.

The spelling of 131694398 in words is "one hundred thirty-one million, six hundred ninety-four thousand, three hundred ninety-eight".