116946509 has 4 divisors (see below), whose sum is σ = 118082016. Its totient is φ = 115811004.

The previous prime is 116946491. The next prime is 116946517. The reversal of 116946509 is 905649611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116946509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116946569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567599 + ... + 567804.

It is an arithmetic number, because the mean of its divisors is an integer number (29520504).

Almost surely, 2^116946509 is an apocalyptic number.

It is an amenable number.

116946509 is a deficient number, since it is larger than the sum of its proper divisors (1135507).

116946509 is a wasteful number, since it uses less digits than its factorization.

116946509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135506.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 116946509 is about 10814.1809213643. The cubic root of 116946509 is about 489.0227768075.

The spelling of 116946509 in words is "one hundred sixteen million, nine hundred forty-six thousand, five hundred nine".