115387490 has 16 divisors (see below), whose sum is σ = 212528448. Its totient is φ = 45081456.

The previous prime is 115387477. The next prime is 115387499. The reversal of 115387490 is 94783511.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115387499) 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, 133742 + ... + 134601.

It is an arithmetic number, because the mean of its divisors is an integer number (13283028).

Almost surely, 2^115387490 is an apocalyptic number.

115387490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115387490 is a deficient number, since it is larger than the sum of its proper divisors (97140958).

115387490 is a wasteful number, since it uses less digits than its factorization.

115387490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268393.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 115387490 is about 10741.8569158223. The cubic root of 115387490 is about 486.8399869522.

The spelling of 115387490 in words is "one hundred fifteen million, three hundred eighty-seven thousand, four hundred ninety".