131797219 has 8 divisors (see below), whose sum is σ = 135524720. Its totient is φ = 128078496.

The previous prime is 131797217. The next prime is 131797231. The reversal of 131797219 is 912797131.

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

It is a cyclic number.

It is not a de Polignac number, because 131797219 - 2¹ = 131797217 is a prime.

It is a super-2 number, since 2×131797219² = 34741013872267922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131797217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38812 + ... + 42070.

It is an arithmetic number, because the mean of its divisors is an integer number (16940590).

Almost surely, 2^131797219 is an apocalyptic number.

131797219 is a deficient number, since it is larger than the sum of its proper divisors (3727501).

131797219 is a wasteful number, since it uses less digits than its factorization.

131797219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4389.

The product of its digits is 23814, while the sum is 40.

The square root of 131797219 is about 11480.2969909319. The cubic root of 131797219 is about 508.9034739115.

The spelling of 131797219 in words is "one hundred thirty-one million, seven hundred ninety-seven thousand, two hundred nineteen".