1138874933 has 8 divisors (see below), whose sum is σ = 1301775552. Its totient is φ = 976025376.

The previous prime is 1138874929. The next prime is 1138874939. The reversal of 1138874933 is 3394788311.

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 1138874933 - 2² = 1138874929 is a prime.

It is a super-2 number, since 2×1138874933² = 2594072226031508978, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138874939) 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, 79841 + ... + 93017.

It is an arithmetic number, because the mean of its divisors is an integer number (162721944).

Almost surely, 2^1138874933 is an apocalyptic number.

It is an amenable number.

1138874933 is a deficient number, since it is larger than the sum of its proper divisors (162900619).

1138874933 is a wasteful number, since it uses less digits than its factorization.

1138874933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25531.

The product of its digits is 435456, while the sum is 47.

The square root of 1138874933 is about 33747.2211152267. The cubic root of 1138874933 is about 1044.3001603738.

The spelling of 1138874933 in words is "one billion, one hundred thirty-eight million, eight hundred seventy-four thousand, nine hundred thirty-three".