1138763875 has 16 divisors (see below), whose sum is σ = 1434232800. Its totient is φ = 902642400.

The previous prime is 1138763869. The next prime is 1138763891. The reversal of 1138763875 is 5783678311.

It is not a de Polignac number, because 1138763875 - 2²¹ = 1136666723 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28165 + ... + 55414.

It is an arithmetic number, because the mean of its divisors is an integer number (89639550).

Almost surely, 2^1138763875 is an apocalyptic number.

1138763875 is a deficient number, since it is larger than the sum of its proper divisors (295468925).

1138763875 is an equidigital number, since it uses as much as digits as its factorization.

1138763875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83703 (or 83693 counting only the distinct ones).

The product of its digits is 846720, while the sum is 49.

The square root of 1138763875 is about 33745.5756359260. The cubic root of 1138763875 is about 1044.2662141069.

The spelling of 1138763875 in words is "one billion, one hundred thirty-eight million, seven hundred sixty-three thousand, eight hundred seventy-five".