115390 has 16 divisors (see below), whose sum is σ = 226800. Its totient is φ = 41920.

The previous prime is 115363. The next prime is 115399. The reversal of 115390 is 93511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115399) 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, 415 + ... + 634.

It is an arithmetic number, because the mean of its divisors is an integer number (14175).

2¹¹⁵³⁹⁰ is an apocalyptic number.

115390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115390 is a deficient number, since it is larger than the sum of its proper divisors (111410).

115390 is a wasteful number, since it uses less digits than its factorization.

115390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 115390 is about 339.6910360902. The cubic root of 115390 is about 48.6843516969.

It can be divided in two parts, 115 and 390, that multiplied together give a triangular number (44850 = T₂₉₉).

The spelling of 115390 in words is "one hundred fifteen thousand, three hundred ninety".