116639243 has 8 divisors (see below), whose sum is σ = 133367520. Its totient is φ = 99927360.

The previous prime is 116639239. The next prime is 116639249. The reversal of 116639243 is 342936611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 116639243 - 2² = 116639239 is a prime.

It is a super-2 number, since 2×116639243² = 27209426015226098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116639249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24173 + ... + 28593.

It is an arithmetic number, because the mean of its divisors is an integer number (16670940).

Almost surely, 2^116639243 is an apocalyptic number.

116639243 is a deficient number, since it is larger than the sum of its proper divisors (16728277).

116639243 is an equidigital number, since it uses as much as digits as its factorization.

116639243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8197.

The product of its digits is 23328, while the sum is 35.

The square root of 116639243 is about 10799.9649536468. The cubic root of 116639243 is about 488.5941139816.

The spelling of 116639243 in words is "one hundred sixteen million, six hundred thirty-nine thousand, two hundred forty-three".