113936819 has 4 divisors (see below), whose sum is σ = 113997696. Its totient is φ = 113875944.

The previous prime is 113936813. The next prime is 113936843. The reversal of 113936819 is 918639311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 918639311 = 643 ⋅1428677.

It is a cyclic number.

It is not a de Polignac number, because 113936819 - 2¹² = 113932723 is a prime.

It is a super-2 number, since 2×113936819² = 25963197447677522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113936813) 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, 27539 + ... + 31404.

It is an arithmetic number, because the mean of its divisors is an integer number (28499424).

Almost surely, 2^113936819 is an apocalyptic number.

113936819 is a deficient number, since it is larger than the sum of its proper divisors (60877).

113936819 is an equidigital number, since it uses as much as digits as its factorization.

113936819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60876.

The product of its digits is 34992, while the sum is 41.

The square root of 113936819 is about 10674.1191205645. The cubic root of 113936819 is about 484.7911652726.

The spelling of 113936819 in words is "one hundred thirteen million, nine hundred thirty-six thousand, eight hundred nineteen".