113533379 has 4 divisors (see below), whose sum is σ = 119508840. Its totient is φ = 107557920.

The previous prime is 113533319. The next prime is 113533397. The reversal of 113533379 is 973335311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 973335311 = 13 ⋅74871947.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113533379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113533319) 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, 2987702 + ... + 2987739.

It is an arithmetic number, because the mean of its divisors is an integer number (29877210).

Almost surely, 2^113533379 is an apocalyptic number.

113533379 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

113533379 is a deficient number, since it is larger than the sum of its proper divisors (5975461).

113533379 is an equidigital number, since it uses as much as digits as its factorization.

113533379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5975460.

The product of its digits is 25515, while the sum is 35.

The square root of 113533379 is about 10655.2043152630. The cubic root of 113533379 is about 484.2182879732.

The spelling of 113533379 in words is "one hundred thirteen million, five hundred thirty-three thousand, three hundred seventy-nine".