1139321874 has 16 divisors (see below), whose sum is σ = 2279231712. Its totient is φ = 379675968.

The previous prime is 1139321873. The next prime is 1139321891. The reversal of 1139321874 is 4781239311.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1139321873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3082 + ... + 47834.

It is an arithmetic number, because the mean of its divisors is an integer number (142451982).

Almost surely, 2^1139321874 is an apocalyptic number.

1139321874 is an abundant number, since it is smaller than the sum of its proper divisors (1139909838).

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

1139321874 is a wasteful number, since it uses less digits than its factorization.

1139321874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49001.

The product of its digits is 36288, while the sum is 39.

The square root of 1139321874 is about 33753.8423590560. The cubic root of 1139321874 is about 1044.4367511740.

The spelling of 1139321874 in words is "one billion, one hundred thirty-nine million, three hundred twenty-one thousand, eight hundred seventy-four".