113649519 has 8 divisors (see below), whose sum is σ = 152167680. Its totient is φ = 75448856.

The previous prime is 113649511. The next prime is 113649551. The reversal of 113649519 is 915946311.

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 113649519 - 2³ = 113649511 is a prime.

It is a super-2 number, since 2×113649519² = 25832426337862722, which contains 22 as substring.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113649511) 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, 78537 + ... + 79970.

It is an arithmetic number, because the mean of its divisors is an integer number (19020960).

Almost surely, 2^113649519 is an apocalyptic number.

113649519 is a deficient number, since it is larger than the sum of its proper divisors (38518161).

113649519 is a wasteful number, since it uses less digits than its factorization.

113649519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158749.

The product of its digits is 29160, while the sum is 39.

The square root of 113649519 is about 10660.6528411725. The cubic root of 113649519 is about 484.3833435344.

The spelling of 113649519 in words is "one hundred thirteen million, six hundred forty-nine thousand, five hundred nineteen".