113814381 has 4 divisors (see below), whose sum is σ = 151752512. Its totient is φ = 75876252.

The previous prime is 113814377. The next prime is 113814383. The reversal of 113814381 is 183418311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 183418311 = 3 ⋅61139437.

It is not a de Polignac number, because 113814381 - 2² = 113814377 is a prime.

It is a super-2 number, since 2×113814381² = 25907426644826322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113814383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18969061 + ... + 18969066.

It is an arithmetic number, because the mean of its divisors is an integer number (37938128).

Almost surely, 2^113814381 is an apocalyptic number.

It is an amenable number.

113814381 is a deficient number, since it is larger than the sum of its proper divisors (37938131).

113814381 is an equidigital number, since it uses as much as digits as its factorization.

113814381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37938130.

The product of its digits is 2304, while the sum is 30.

The square root of 113814381 is about 10668.3823047358. The cubic root of 113814381 is about 484.6174487169.

The spelling of 113814381 in words is "one hundred thirteen million, eight hundred fourteen thousand, three hundred eighty-one".