113619 has 12 divisors (see below), whose sum is σ = 167048. Its totient is φ = 68640.

The previous prime is 113591. The next prime is 113621. The reversal of 113619 is 916311.

It is a happy number.

It is not a de Polignac number, because 113619 - 2⁸ = 113363 is a prime.

It is a super-2 number, since 2×113619² = 25818554322, which contains 22 as substring.

It is a Duffinian number.

113619 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 113595 and 113604.

It is not an unprimeable number, because it can be changed into a prime (113719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207 + ... + 519.

2¹¹³⁶¹⁹ is an apocalyptic number.

113619 is a deficient number, since it is larger than the sum of its proper divisors (53429).

113619 is a wasteful number, since it uses less digits than its factorization.

113619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 327 counting only the distinct ones).

The product of its digits is 162, while the sum is 21.

The square root of 113619 is about 337.0741758130. The cubic root of 113619 is about 48.4339981513.

The spelling of 113619 in words is "one hundred thirteen thousand, six hundred nineteen".