116226139 has 4 divisors (see below), whose sum is σ = 119367424. Its totient is φ = 113084856.

The previous prime is 116226137. The next prime is 116226151. The reversal of 116226139 is 931622611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 931622611 = 19 ⋅49032769.

It is a cyclic number.

It is not a de Polignac number, because 116226139 - 2¹ = 116226137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116226139.

It is not an unprimeable number, because it can be changed into a prime (116226133) 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 3 ways as a sum of consecutive naturals, for example, 1570587 + ... + 1570660.

It is an arithmetic number, because the mean of its divisors is an integer number (29841856).

Almost surely, 2^116226139 is an apocalyptic number.

116226139 is a deficient number, since it is larger than the sum of its proper divisors (3141285).

116226139 is an equidigital number, since it uses as much as digits as its factorization.

116226139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141284.

The product of its digits is 3888, while the sum is 31.

The square root of 116226139 is about 10780.8227422586. The cubic root of 116226139 is about 488.0166098328.

The spelling of 116226139 in words is "one hundred sixteen million, two hundred twenty-six thousand, one hundred thirty-nine".