113659645 has 8 divisors (see below), whose sum is σ = 148790880. Its totient is φ = 82661520.

The previous prime is 113659639. The next prime is 113659649. The reversal of 113659645 is 546956311.

It is a happy number.

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

It is not a de Polignac number, because 113659645 - 2¹³ = 113651453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113659598 and 113659607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113659649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033215 + ... + 1033324.

It is an arithmetic number, because the mean of its divisors is an integer number (18598860).

Almost surely, 2^113659645 is an apocalyptic number.

It is an amenable number.

113659645 is a deficient number, since it is larger than the sum of its proper divisors (35131235).

113659645 is a wasteful number, since it uses less digits than its factorization.

113659645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066555.

The product of its digits is 97200, while the sum is 40.

The square root of 113659645 is about 10661.1277546046. The cubic root of 113659645 is about 484.3977290479.

The spelling of 113659645 in words is "one hundred thirteen million, six hundred fifty-nine thousand, six hundred forty-five".