1138896115 has 8 divisors (see below), whose sum is σ = 1561914720. Its totient is φ = 780957312.

The previous prime is 1138896097. The next prime is 1138896127. The reversal of 1138896115 is 5116988311.

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

It is a cyclic number.

It is not a de Polignac number, because 1138896115 - 2²³ = 1130507507 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16269910 + ... + 16269979.

It is an arithmetic number, because the mean of its divisors is an integer number (195239340).

Almost surely, 2^1138896115 is an apocalyptic number.

1138896115 is a deficient number, since it is larger than the sum of its proper divisors (423018605).

1138896115 is an equidigital number, since it uses as much as digits as its factorization.

1138896115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32539901.

The product of its digits is 51840, while the sum is 43.

The square root of 1138896115 is about 33747.5349470150. The cubic root of 1138896115 is about 1044.3066346665.

The spelling of 1138896115 in words is "one billion, one hundred thirty-eight million, eight hundred ninety-six thousand, one hundred fifteen".