1356839044 has 24 divisors (see below), whose sum is σ = 2610736128. Its totient is φ = 611886240.

The previous prime is 1356839027. The next prime is 1356839047. The reversal of 1356839044 is 4409386531.

It is not an unprimeable number, because it can be changed into a prime (1356839047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115819 + ... + 126994.

It is an arithmetic number, because the mean of its divisors is an integer number (108780672).

Almost surely, 2^1356839044 is an apocalyptic number.

It is an amenable number.

1356839044 is a deficient number, since it is larger than the sum of its proper divisors (1253897084).

1356839044 is a wasteful number, since it uses less digits than its factorization.

1356839044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242955 (or 242953 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 1356839044 is about 36835.2961709282. The cubic root of 1356839044 is about 1107.0726219491.

The spelling of 1356839044 in words is "one billion, three hundred fifty-six million, eight hundred thirty-nine thousand, forty-four".