131234419 has 4 divisors (see below), whose sum is σ = 131428944. Its totient is φ = 131039896.

The previous prime is 131234417. The next prime is 131234423. The reversal of 131234419 is 914432131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 914432131 = 127 ⋅7200253.

It is a cyclic number.

It is not a de Polignac number, because 131234419 - 2¹ = 131234417 is a prime.

It is a super-2 number, since 2×131234419² = 34444945460535122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131234417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96247 + ... + 97600.

It is an arithmetic number, because the mean of its divisors is an integer number (32857236).

Almost surely, 2^131234419 is an apocalyptic number.

131234419 is a deficient number, since it is larger than the sum of its proper divisors (194525).

131234419 is an equidigital number, since it uses as much as digits as its factorization.

131234419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194524.

The product of its digits is 2592, while the sum is 28.

The square root of 131234419 is about 11455.7592066174. The cubic root of 131234419 is about 508.1780678064.

The spelling of 131234419 in words is "one hundred thirty-one million, two hundred thirty-four thousand, four hundred nineteen".