115390219 has 16 divisors (see below), whose sum is σ = 133560000. Its totient is φ = 97651584.

The previous prime is 115390207. The next prime is 115390243. The reversal of 115390219 is 912093511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 115390219 - 2⁹ = 115389707 is a prime.

It is a super-2 number, since 2×115390219² = 26629805281735922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115390259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330457 + ... + 330805.

It is an arithmetic number, because the mean of its divisors is an integer number (8347500).

Almost surely, 2^115390219 is an apocalyptic number.

115390219 is a deficient number, since it is larger than the sum of its proper divisors (18169781).

115390219 is a wasteful number, since it uses less digits than its factorization.

115390219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 115390219 is about 10741.9839415259. The cubic root of 115390219 is about 486.8438249646.

The spelling of 115390219 in words is "one hundred fifteen million, three hundred ninety thousand, two hundred nineteen".