113221139 has 8 divisors (see below), whose sum is σ = 120149568. Its totient is φ = 106322560.

The previous prime is 113221127. The next prime is 113221181. The reversal of 113221139 is 931122311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113221139 - 2¹² = 113217043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113221039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614 + ... + 15060.

It is an arithmetic number, because the mean of its divisors is an integer number (15018696).

Almost surely, 2^113221139 is an apocalyptic number.

113221139 is a deficient number, since it is larger than the sum of its proper divisors (6928429).

113221139 is a wasteful number, since it uses less digits than its factorization.

113221139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14925.

The product of its digits is 324, while the sum is 23.

The square root of 113221139 is about 10640.5422324241. The cubic root of 113221139 is about 483.7739806544.

The spelling of 113221139 in words is "one hundred thirteen million, two hundred twenty-one thousand, one hundred thirty-nine".