115136290 has 8 divisors (see below), whose sum is σ = 207245340. Its totient is φ = 46054512.

The previous prime is 115136269. The next prime is 115136303. The reversal of 115136290 is 92631511.

It can be written as a sum of positive squares in 2 ways, for example, as 109390681 + 5745609 = 10459^2 + 2397^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5756805 + ... + 5756824.

Almost surely, 2^115136290 is an apocalyptic number.

115136290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115136290 is a deficient number, since it is larger than the sum of its proper divisors (92109050).

115136290 is a wasteful number, since it uses less digits than its factorization.

115136290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11513636.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 115136290 is about 10730.1579671503. The cubic root of 115136290 is about 486.4864447050.

The spelling of 115136290 in words is "one hundred fifteen million, one hundred thirty-six thousand, two hundred ninety".