115136749 has 16 divisors (see below), whose sum is σ = 142108288. Its totient is φ = 90839232.

The previous prime is 115136743. The next prime is 115136797. The reversal of 115136749 is 947631511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 115136749 - 2⁹ = 115136237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115136743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34534 + ... + 37720.

It is an arithmetic number, because the mean of its divisors is an integer number (8881768).

Almost surely, 2^115136749 is an apocalyptic number.

It is an amenable number.

115136749 is a deficient number, since it is larger than the sum of its proper divisors (26971539).

115136749 is a wasteful number, since it uses less digits than its factorization.

115136749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3604.

The product of its digits is 22680, while the sum is 37.

The square root of 115136749 is about 10730.1793554442. The cubic root of 115136749 is about 486.4870911765.

The spelling of 115136749 in words is "one hundred fifteen million, one hundred thirty-six thousand, seven hundred forty-nine".