113509769 has 2 divisors, whose sum is σ = 113509770. Its totient is φ = 113509768.

The previous prime is 113509751. The next prime is 113509787. The reversal of 113509769 is 967905311.

It is a balanced prime because it is at equal distance from previous prime (113509751) and next prime (113509787).

It can be written as a sum of positive squares in only one way, i.e., 100260169 + 13249600 = 10013^2 + 3640^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113509769 is a prime.

It is a super-2 number, since 2×113509769² = 25768935316866722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (113509789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56754884 + 56754885.

It is an arithmetic number, because the mean of its divisors is an integer number (56754885).

Almost surely, 2^113509769 is an apocalyptic number.

It is an amenable number.

113509769 is a deficient number, since it is larger than the sum of its proper divisors (1).

113509769 is an equidigital number, since it uses as much as digits as its factorization.

113509769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 113509769 is about 10654.0963483535. The cubic root of 113509769 is about 484.1847202052.

The spelling of 113509769 in words is "one hundred thirteen million, five hundred nine thousand, seven hundred sixty-nine".