116409239 has 2 divisors, whose sum is σ = 116409240. Its totient is φ = 116409238.

The previous prime is 116409211. The next prime is 116409263. The reversal of 116409239 is 932904611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 116409239 - 2⁸ = 116408983 is a prime.

It is a super-2 number, since 2×116409239² = 27102221849118242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 116409199 and 116409208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116409439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58204619 + 58204620.

It is an arithmetic number, because the mean of its divisors is an integer number (58204620).

Almost surely, 2^116409239 is an apocalyptic number.

116409239 is a deficient number, since it is larger than the sum of its proper divisors (1).

116409239 is an equidigital number, since it uses as much as digits as its factorization.

116409239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 116409239 is about 10789.3113311277. The cubic root of 116409239 is about 488.2727454434.

The spelling of 116409239 in words is "one hundred sixteen million, four hundred nine thousand, two hundred thirty-nine".