1139946696 has 160 divisors (see below), whose sum is σ = 3863946240. Its totient is φ = 306519552.

The previous prime is 1139946659. The next prime is 1139946697. The reversal of 1139946696 is 6966499311.

1139946696 is a `hidden beast` number, since 1 + 1 + 3 + 99 + 466 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1139946697) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 69721 + ... + 84503.

It is an arithmetic number, because the mean of its divisors is an integer number (24149664).

Almost surely, 2^1139946696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1139946696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1931973120).

1139946696 is an abundant number, since it is smaller than the sum of its proper divisors (2723999544).

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

1139946696 is a wasteful number, since it uses less digits than its factorization.

1139946696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14825 (or 14812 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 54.

The square root of 1139946696 is about 33763.0966589263. The cubic root of 1139946696 is about 1044.6276447850.

The spelling of 1139946696 in words is "one billion, one hundred thirty-nine million, nine hundred forty-six thousand, six hundred ninety-six".