113903969 has 2 divisors, whose sum is σ = 113903970. Its totient is φ = 113903968.

The previous prime is 113903963. The next prime is 113903987. The reversal of 113903969 is 969309311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75463969 + 38440000 = 8687^2 + 6200^2 .

It is a cyclic number.

It is not a de Polignac number, because 113903969 - 2¹² = 113899873 is a prime.

It is a super-2 number, since 2×113903969² = 25948228307905922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (113903963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56951984 + 56951985.

It is an arithmetic number, because the mean of its divisors is an integer number (56951985).

Almost surely, 2^113903969 is an apocalyptic number.

It is an amenable number.

113903969 is a deficient number, since it is larger than the sum of its proper divisors (1).

113903969 is an equidigital number, since it uses as much as digits as its factorization.

113903969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39366, while the sum is 41.

The square root of 113903969 is about 10672.5802409727. The cubic root of 113903969 is about 484.7445695052.

The spelling of 113903969 in words is "one hundred thirteen million, nine hundred three thousand, nine hundred sixty-nine".