131890347 has 12 divisors (see below), whose sum is σ = 197077920. Its totient is φ = 84894768.

The previous prime is 131890333. The next prime is 131890351. The reversal of 131890347 is 743098131.

It is a happy number.

It is not a de Polignac number, because 131890347 - 2⁷ = 131890219 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (131890387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252403 + ... + 252924.

It is an arithmetic number, because the mean of its divisors is an integer number (16423160).

Almost surely, 2^131890347 is an apocalyptic number.

131890347 is a deficient number, since it is larger than the sum of its proper divisors (65187573).

131890347 is a wasteful number, since it uses less digits than its factorization.

131890347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505362 (or 505359 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 131890347 is about 11484.3522673244. The cubic root of 131890347 is about 509.0233095317.

The spelling of 131890347 in words is "one hundred thirty-one million, eight hundred ninety thousand, three hundred forty-seven".