1139804094 has 64 divisors (see below), whose sum is σ = 2764597248. Its totient is φ = 308534400.

The previous prime is 1139804087. The next prime is 1139804111. The reversal of 1139804094 is 4904089311.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5172 + ... + 48024.

It is an arithmetic number, because the mean of its divisors is an integer number (43196832).

Almost surely, 2^1139804094 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1139804094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1382298624).

1139804094 is an abundant number, since it is smaller than the sum of its proper divisors (1624793154).

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

1139804094 is a wasteful number, since it uses less digits than its factorization.

1139804094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42913.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 1139804094 is about 33760.9847901390. The cubic root of 1139804094 is about 1044.5840836243.

The spelling of 1139804094 in words is "one billion, one hundred thirty-nine million, eight hundred four thousand, ninety-four".