113699569 has 3 divisors (see below), whose sum is σ = 113710233. Its totient is φ = 113688906.

The previous prime is 113699567. The next prime is 113699623. The reversal of 113699569 is 965996311.

The square root of 113699569 is 10663.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 113699569 - 2¹ = 113699567 is a prime.

It is a super-2 number, since 2×113699569² = 25855183981571522, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (113699561) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5332 + ... + 15994.

It is an arithmetic number, because the mean of its divisors is an integer number (37903411).

Almost surely, 2^113699569 is an apocalyptic number.

113699569 is the 10663-rd square number.

113699569 is the 5332-nd centered octagonal number.

It is an amenable number.

113699569 is a deficient number, since it is larger than the sum of its proper divisors (10664).

113699569 is an frugal number, since it uses more digits than its factorization.

113699569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21326 (or 10663 counting only the distinct ones).

The product of its digits is 393660, while the sum is 49.

The cubic root of 113699569 is about 484.4544388005.

Multiplying 113699569 by its sum of digits (49), we get a square (5571278881 = 74641²).

The spelling of 113699569 in words is "one hundred thirteen million, six hundred ninety-nine thousand, five hundred sixty-nine".