116138247 has 12 divisors (see below), whose sum is σ = 161878584. Its totient is φ = 74058160.

The previous prime is 116138233. The next prime is 116138257. The reversal of 116138247 is 742831611.

It is not a de Polignac number, because 116138247 - 2⁸ = 116137991 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116138257) 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, 35004 + ... + 38177.

It is an arithmetic number, because the mean of its divisors is an integer number (13489882).

Almost surely, 2^116138247 is an apocalyptic number.

116138247 is a deficient number, since it is larger than the sum of its proper divisors (45740337).

116138247 is an equidigital number, since it uses as much as digits as its factorization.

116138247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73230 (or 73207 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 116138247 is about 10776.7456590568. The cubic root of 116138247 is about 487.8935635805.

Adding to 116138247 its reverse (742831611), we get a palindrome (858969858).

The spelling of 116138247 in words is "one hundred sixteen million, one hundred thirty-eight thousand, two hundred forty-seven".