113911729 has 4 divisors (see below), whose sum is σ = 114250084. Its totient is φ = 113573376.

The previous prime is 113911727. The next prime is 113911741. The reversal of 113911729 is 927119311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 72335025 + 41576704 = 8505^2 + 6448^2 .

It is a cyclic number.

It is not a de Polignac number, because 113911729 - 2¹ = 113911727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113911694 and 113911703.

It is not an unprimeable number, because it can be changed into a prime (113911727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168672 + ... + 169345.

It is an arithmetic number, because the mean of its divisors is an integer number (28562521).

Almost surely, 2^113911729 is an apocalyptic number.

It is an amenable number.

113911729 is a deficient number, since it is larger than the sum of its proper divisors (338355).

113911729 is an equidigital number, since it uses as much as digits as its factorization.

113911729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338354.

The product of its digits is 3402, while the sum is 34.

The square root of 113911729 is about 10672.9437832306. The cubic root of 113911729 is about 484.7555774109.

The spelling of 113911729 in words is "one hundred thirteen million, nine hundred eleven thousand, seven hundred twenty-nine".