1139818032 has 30 divisors (see below), whose sum is σ = 3189907812. Its totient is φ = 379939296.

The previous prime is 1139818019. The next prime is 1139818051. The reversal of 1139818032 is 2308189311.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3957558 + ... + 3957845.

Almost surely, 2^1139818032 is an apocalyptic number.

1139818032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1139818032 is an abundant number, since it is smaller than the sum of its proper divisors (2050089780).

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

1139818032 is a wasteful number, since it uses less digits than its factorization.

1139818032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7915417 (or 7915408 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 1139818032 is about 33761.1912112117. The cubic root of 1139818032 is about 1044.5883414769.

The spelling of 1139818032 in words is "one billion, one hundred thirty-nine million, eight hundred eighteen thousand, thirty-two".