113890859 has 4 divisors (see below), whose sum is σ = 117818160. Its totient is φ = 109963560.

The previous prime is 113890853. The next prime is 113890913. The reversal of 113890859 is 958098311.

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: 958098311 = 21673 ⋅44207.

It is a cyclic number.

It is not a de Polignac number, because 113890859 - 2¹² = 113886763 is a prime.

It is a super-2 number, since 2×113890859² = 25942255527515762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113890853) 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, 1963607 + ... + 1963664.

It is an arithmetic number, because the mean of its divisors is an integer number (29454540).

Almost surely, 2^113890859 is an apocalyptic number.

113890859 is a deficient number, since it is larger than the sum of its proper divisors (3927301).

113890859 is an equidigital number, since it uses as much as digits as its factorization.

113890859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3927300.

The product of its (nonzero) digits is 77760, while the sum is 44.

The square root of 113890859 is about 10671.9660325546. The cubic root of 113890859 is about 484.7259712503.

The spelling of 113890859 in words is "one hundred thirteen million, eight hundred ninety thousand, eight hundred fifty-nine".