115400319 has 8 divisors (see below), whose sum is σ = 161965440. Its totient is φ = 72884376.

The previous prime is 115400317. The next prime is 115400353. The reversal of 115400319 is 913004511.

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

It is not a de Polignac number, because 115400319 - 2¹ = 115400317 is a prime.

It is a super-2 number, since 2×115400319² = 26634467250603522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115400317) 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, 1012227 + ... + 1012340.

It is an arithmetic number, because the mean of its divisors is an integer number (20245680).

Almost surely, 2^115400319 is an apocalyptic number.

115400319 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

115400319 is a deficient number, since it is larger than the sum of its proper divisors (46565121).

115400319 is a wasteful number, since it uses less digits than its factorization.

115400319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024589.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 115400319 is about 10742.4540492385. The cubic root of 115400319 is about 486.8580288813.

The spelling of 115400319 in words is "one hundred fifteen million, four hundred thousand, three hundred nineteen".