116574309 has 40 divisors (see below), whose sum is σ = 181142808. Its totient is φ = 74649600.

The previous prime is 116574299. The next prime is 116574313. The reversal of 116574309 is 903475611.

It can be written as a sum of positive squares in 4 ways, for example, as 75742209 + 40832100 = 8703^2 + 6390^2 .

It is not a de Polignac number, because 116574309 - 2¹² = 116570213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116574349) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 290509 + ... + 290909.

Almost surely, 2^116574309 is an apocalyptic number.

It is an amenable number.

116574309 is a deficient number, since it is larger than the sum of its proper divisors (64568499).

116574309 is an equidigital number, since it uses as much as digits as its factorization.

116574309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 116574309 is about 10796.9583216756. The cubic root of 116574309 is about 488.5034290668.

The spelling of 116574309 in words is "one hundred sixteen million, five hundred seventy-four thousand, three hundred nine".