1138936832 has 44 divisors (see below), whose sum is σ = 2483764296. Its totient is φ = 517693440.

The previous prime is 1138936789. The next prime is 1138936837. The reversal of 1138936832 is 2386398311.

It is a tau number, because it is divible by the number of its divisors (44).

It is a super-3 number, since 3×1138936832³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138936837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39293 + ... + 61820.

Almost surely, 2^1138936832 is an apocalyptic number.

It is an amenable number.

1138936832 is an abundant number, since it is smaller than the sum of its proper divisors (1344827464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1138936832 is a wasteful number, since it uses less digits than its factorization.

1138936832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101144 (or 101126 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 1138936832 is about 33748.1382004993. The cubic root of 1138936832 is about 1044.3190796196.

The spelling of 1138936832 in words is "one billion, one hundred thirty-eight million, nine hundred thirty-six thousand, eight hundred thirty-two".