115134399 has 8 divisors (see below), whose sum is σ = 170569520. Its totient is φ = 76756248.

The previous prime is 115134373. The next prime is 115134407. The reversal of 115134399 is 993431511.

115134399 is a `hidden beast` number, since 11 + 513 + 43 + 99 = 666.

It is not a de Polignac number, because 115134399 - 2¹¹ = 115132351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115134499) 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, 2132092 + ... + 2132145.

It is an arithmetic number, because the mean of its divisors is an integer number (21321190).

Almost surely, 2^115134399 is an apocalyptic number.

115134399 is a deficient number, since it is larger than the sum of its proper divisors (55435121).

115134399 is an equidigital number, since it uses as much as digits as its factorization.

115134399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4264246 (or 4264240 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 115134399 is about 10730.0698506580. The cubic root of 115134399 is about 486.4837813371.

It can be divided in two parts, 11 and 5134399, that added together give a triangular number (5134410 = T₃₂₀₄).

The spelling of 115134399 in words is "one hundred fifteen million, one hundred thirty-four thousand, three hundred ninety-nine".