116999213 has 2 divisors, whose sum is σ = 116999214. Its totient is φ = 116999212.

The previous prime is 116999203. The next prime is 116999221. The reversal of 116999213 is 312999611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85784644 + 31214569 = 9262^2 + 5587^2 .

It is an emirp because it is prime and its reverse (312999611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 116999213 - 2²⁶ = 49890349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116999203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58499606 + 58499607.

It is an arithmetic number, because the mean of its divisors is an integer number (58499607).

Almost surely, 2^116999213 is an apocalyptic number.

It is an amenable number.

116999213 is a deficient number, since it is larger than the sum of its proper divisors (1).

116999213 is an equidigital number, since it uses as much as digits as its factorization.

116999213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26244, while the sum is 41.

The square root of 116999213 is about 10816.6174472429. The cubic root of 116999213 is about 489.0962280114.

The spelling of 116999213 in words is "one hundred sixteen million, nine hundred ninety-nine thousand, two hundred thirteen".