113265019 has 6 divisors (see below), whose sum is σ = 131757324. Its totient is φ = 97084260.

The previous prime is 113265017. The next prime is 113265043. The reversal of 113265019 is 910562311.

It is not a de Polignac number, because 113265019 - 2¹ = 113265017 is a prime.

It is a super-2 number, since 2×113265019² = 25657929058140722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113265013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1155717 + ... + 1155814.

It is an arithmetic number, because the mean of its divisors is an integer number (21959554).

Almost surely, 2^113265019 is an apocalyptic number.

113265019 is a deficient number, since it is larger than the sum of its proper divisors (18492305).

113265019 is an equidigital number, since it uses as much as digits as its factorization.

113265019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311545 (or 2311538 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 113265019 is about 10642.6039576788. The cubic root of 113265019 is about 483.8364697522.

The spelling of 113265019 in words is "one hundred thirteen million, two hundred sixty-five thousand, nineteen".