1138004236 has 12 divisors (see below), whose sum is σ = 1999841760. Its totient is φ = 566620880.

The previous prime is 1138004209. The next prime is 1138004239. The reversal of 1138004236 is 6324008311.

It is not an unprimeable number, because it can be changed into a prime (1138004239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594235 + ... + 596146.

It is an arithmetic number, because the mean of its divisors is an integer number (166653480).

Almost surely, 2^1138004236 is an apocalyptic number.

It is an amenable number.

1138004236 is a deficient number, since it is larger than the sum of its proper divisors (861837524).

1138004236 is a wasteful number, since it uses less digits than its factorization.

1138004236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190624 (or 1190622 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1138004236 is about 33734.3183716523. The cubic root of 1138004236 is about 1044.0339617456.

The spelling of 1138004236 in words is "one billion, one hundred thirty-eight million, four thousand, two hundred thirty-six".