1139223908 has 6 divisors (see below), whose sum is σ = 1993641846. Its totient is φ = 569611952.

The previous prime is 1139223859. The next prime is 1139223913. The reversal of 1139223908 is 8093229311.

It can be written as a sum of positive squares in only one way, i.e., 1137173284 + 2050624 = 33722^2 + 1432^2 .

It is a super-2 number, since 2×1139223908² = 2595662225117584928, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142402985 + ... + 142402992.

It is an arithmetic number, because the mean of its divisors is an integer number (332273641).

Almost surely, 2^1139223908 is an apocalyptic number.

It is an amenable number.

1139223908 is a deficient number, since it is larger than the sum of its proper divisors (854417938).

1139223908 is a wasteful number, since it uses less digits than its factorization.

1139223908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284805981 (or 284805979 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 1139223908 is about 33752.3911449248. The cubic root of 1139223908 is about 1044.4068145875.

The spelling of 1139223908 in words is "one billion, one hundred thirty-nine million, two hundred twenty-three thousand, nine hundred eight".