1138583633 has 8 divisors (see below), whose sum is σ = 1243550880. Its totient is φ = 1033859680.

The previous prime is 1138583623. The next prime is 1138583669. The reversal of 1138583633 is 3363858311.

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 1138583633 - 2⁴ = 1138583617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1138583603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50963 + ... + 69816.

It is an arithmetic number, because the mean of its divisors is an integer number (155443860).

Almost surely, 2^1138583633 is an apocalyptic number.

It is an amenable number.

1138583633 is a deficient number, since it is larger than the sum of its proper divisors (104967247).

1138583633 is a wasteful number, since it uses less digits than its factorization.

1138583633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121647.

The product of its digits is 155520, while the sum is 41.

The square root of 1138583633 is about 33742.9049282957. The cubic root of 1138583633 is about 1044.2111161870.

The spelling of 1138583633 in words is "one billion, one hundred thirty-eight million, five hundred eighty-three thousand, six hundred thirty-three".