116664139 has 2 divisors, whose sum is σ = 116664140. Its totient is φ = 116664138.

The previous prime is 116664113. The next prime is 116664151. The reversal of 116664139 is 931466611.

It is a strong prime.

It is an emirp because it is prime and its reverse (931466611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 116664139 - 2¹⁵ = 116631371 is a prime.

It is a super-2 number, since 2×116664139² = 27221042657222642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 116664098 and 116664107.

It is not a weakly prime, because it can be changed into another prime (116664179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58332069 + 58332070.

It is an arithmetic number, because the mean of its divisors is an integer number (58332070).

Almost surely, 2^116664139 is an apocalyptic number.

116664139 is a deficient number, since it is larger than the sum of its proper divisors (1).

116664139 is an equidigital number, since it uses as much as digits as its factorization.

116664139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 116664139 is about 10801.1174884824. The cubic root of 116664139 is about 488.6288740772.

The spelling of 116664139 in words is "one hundred sixteen million, six hundred sixty-four thousand, one hundred thirty-nine".