116542239 has 12 divisors (see below), whose sum is σ = 170800728. Its totient is φ = 70631440.

The previous prime is 116542171. The next prime is 116542249. The reversal of 116542239 is 932245611.

It is not a de Polignac number, because 116542239 - 2⁸ = 116541983 is a prime.

It is a super-2 number, since 2×116542239² = 27164186942266242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116542249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160164 + ... + 160889.

It is an arithmetic number, because the mean of its divisors is an integer number (14233394).

Almost surely, 2^116542239 is an apocalyptic number.

116542239 is a deficient number, since it is larger than the sum of its proper divisors (54258489).

116542239 is a wasteful number, since it uses less digits than its factorization.

116542239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321078 (or 321067 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 116542239 is about 10795.4730790272. The cubic root of 116542239 is about 488.4586286245.

The spelling of 116542239 in words is "one hundred sixteen million, five hundred forty-two thousand, two hundred thirty-nine".