116123139 has 36 divisors (see below), whose sum is σ = 190128120. Its totient is φ = 70333920.

The previous prime is 116123101. The next prime is 116123143. The reversal of 116123139 is 931321611.

116123139 is a `hidden beast` number, since 11 + 612 + 3 + 1 + 39 = 666.

It is not a de Polignac number, because 116123139 - 2¹⁵ = 116090371 is a prime.

It is a super-2 number, since 2×116123139² = 26969166822426642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (116163139) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 71367 + ... + 72975.

Almost surely, 2^116123139 is an apocalyptic number.

116123139 is a deficient number, since it is larger than the sum of its proper divisors (74004981).

116123139 is an frugal number, since it uses more digits than its factorization.

116123139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644 (or 1623 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 116123139 is about 10776.0446825354. The cubic root of 116123139 is about 487.8724065664.

The spelling of 116123139 in words is "one hundred sixteen million, one hundred twenty-three thousand, one hundred thirty-nine".