1138795299 has 6 divisors (see below), whose sum is σ = 1644926556. Its totient is φ = 759196860.

The previous prime is 1138795291. The next prime is 1138795309. The reversal of 1138795299 is 9925978311.

1138795299 is a `hidden beast` number, since 11 + 38 + 79 + 529 + 9 = 666.

It is not a de Polignac number, because 1138795299 - 2³ = 1138795291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1138795291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63266397 + ... + 63266414.

It is an arithmetic number, because the mean of its divisors is an integer number (274154426).

Almost surely, 2^1138795299 is an apocalyptic number.

1138795299 is a deficient number, since it is larger than the sum of its proper divisors (506131257).

1138795299 is a wasteful number, since it uses less digits than its factorization.

1138795299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126532817 (or 126532814 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 54.

The square root of 1138795299 is about 33746.0412344915. The cubic root of 1138795299 is about 1044.2758194695.

The spelling of 1138795299 in words is "one billion, one hundred thirty-eight million, seven hundred ninety-five thousand, two hundred ninety-nine".