116749509 has 16 divisors (see below), whose sum is σ = 167858880. Its totient is φ = 71936640.

The previous prime is 116749499. The next prime is 116749511. The reversal of 116749509 is 905947611.

It is not a de Polignac number, because 116749509 - 2⁸ = 116749253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116749559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22642 + ... + 27315.

It is an arithmetic number, because the mean of its divisors is an integer number (10491180).

Almost surely, 2^116749509 is an apocalyptic number.

116749509 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

116749509 is a deficient number, since it is larger than the sum of its proper divisors (51109371).

116749509 is a wasteful number, since it uses less digits than its factorization.

116749509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50020.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 116749509 is about 10805.0686716929. The cubic root of 116749509 is about 488.7480311623.

The spelling of 116749509 in words is "one hundred sixteen million, seven hundred forty-nine thousand, five hundred nine".