113641279 has 4 divisors (see below), whose sum is σ = 113674120. Its totient is φ = 113608440.

The previous prime is 113641273. The next prime is 113641289. The reversal of 113641279 is 972146311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113641279 - 2⁵ = 113641247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113641273) 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, 10524 + ... + 18385.

It is an arithmetic number, because the mean of its divisors is an integer number (28418530).

Almost surely, 2^113641279 is an apocalyptic number.

113641279 is a deficient number, since it is larger than the sum of its proper divisors (32841).

113641279 is an equidigital number, since it uses as much as digits as its factorization.

113641279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32840.

The product of its digits is 9072, while the sum is 34.

The square root of 113641279 is about 10660.2663662781. The cubic root of 113641279 is about 484.3716367384.

The spelling of 113641279 in words is "one hundred thirteen million, six hundred forty-one thousand, two hundred seventy-nine".