131793219 has 12 divisors (see below), whose sum is σ = 190918000. Its totient is φ = 87608304.

The previous prime is 131793203. The next prime is 131793241. The reversal of 131793219 is 912397131.

It is a happy number.

It is not a de Polignac number, because 131793219 - 2⁴ = 131793203 is a prime.

It is a super-2 number, since 2×131793219² = 34738905148763922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131793269) 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 11 ways as a sum of consecutive naturals, for example, 17839 + ... + 24120.

Almost surely, 2^131793219 is an apocalyptic number.

131793219 is a deficient number, since it is larger than the sum of its proper divisors (59124781).

131793219 is a wasteful number, since it uses less digits than its factorization.

131793219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42314 (or 42311 counting only the distinct ones).

The product of its digits is 10206, while the sum is 36.

The square root of 131793219 is about 11480.1227780891. The cubic root of 131793219 is about 508.8983255113.

The spelling of 131793219 in words is "one hundred thirty-one million, seven hundred ninety-three thousand, two hundred nineteen".