115591390 has 16 divisors (see below), whose sum is σ = 215239680. Its totient is φ = 44642080.

The previous prime is 115591379. The next prime is 115591391. The reversal of 115591390 is 93195511.

It is a super-3 number, since 3×115591390³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115591391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199006 + ... + 199585.

It is an arithmetic number, because the mean of its divisors is an integer number (13452480).

Almost surely, 2^115591390 is an apocalyptic number.

115591390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115591390 is a deficient number, since it is larger than the sum of its proper divisors (99648290).

115591390 is a wasteful number, since it uses less digits than its factorization.

115591390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398627.

The product of its (nonzero) digits is 6075, while the sum is 34.

The square root of 115591390 is about 10751.3436369600. The cubic root of 115591390 is about 487.1265814512.

The spelling of 115591390 in words is "one hundred fifteen million, five hundred ninety-one thousand, three hundred ninety".