115890265 has 8 divisors (see below), whose sum is σ = 140502600. Its totient is φ = 91756032.

The previous prime is 115890251. The next prime is 115890331. The reversal of 115890265 is 562098511.

It can be written as a sum of positive squares in 4 ways, for example, as 26569 + 115863696 = 163^2 + 10764^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115890265 - 2⁵ = 115890233 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 118990 + ... + 119959.

It is an arithmetic number, because the mean of its divisors is an integer number (17562825).

Almost surely, 2^115890265 is an apocalyptic number.

It is an amenable number.

115890265 is a deficient number, since it is larger than the sum of its proper divisors (24612335).

115890265 is an equidigital number, since it uses as much as digits as its factorization.

115890265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239051.

The product of its (nonzero) digits is 21600, while the sum is 37.

The square root of 115890265 is about 10765.2340894195. The cubic root of 115890265 is about 487.5460609558.

The spelling of 115890265 in words is "one hundred fifteen million, eight hundred ninety thousand, two hundred sixty-five".