113649213 has 8 divisors (see below), whose sum is σ = 151602048. Its totient is φ = 75731264.

The previous prime is 113649209. The next prime is 113649223. The reversal of 113649213 is 312946311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113649213 - 2² = 113649209 is a prime.

It is a super-2 number, since 2×113649213² = 25832287231038738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113649223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181 + ... + 15077.

It is an arithmetic number, because the mean of its divisors is an integer number (18950256).

Almost surely, 2^113649213 is an apocalyptic number.

It is an amenable number.

113649213 is a deficient number, since it is larger than the sum of its proper divisors (37952835).

113649213 is a wasteful number, since it uses less digits than its factorization.

113649213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17443.

The product of its digits is 3888, while the sum is 30.

The square root of 113649213 is about 10660.6384893214. The cubic root of 113649213 is about 484.3829088018.

The spelling of 113649213 in words is "one hundred thirteen million, six hundred forty-nine thousand, two hundred thirteen".