1356904589 has 16 divisors (see below), whose sum is σ = 1553227200. Its totient is φ = 1177161984.

The previous prime is 1356904583. The next prime is 1356904607. The reversal of 1356904589 is 9854096531.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1356904589 - 2²⁰ = 1355856013 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356904583) 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 15 ways as a sum of consecutive naturals, for example, 44819 + ... + 68720.

It is an arithmetic number, because the mean of its divisors is an integer number (97076700).

Almost surely, 2^1356904589 is an apocalyptic number.

1356904589 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1356904589 is a deficient number, since it is larger than the sum of its proper divisors (196322611).

1356904589 is a wasteful number, since it uses less digits than its factorization.

1356904589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113612.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The square root of 1356904589 is about 36836.1858639029. The cubic root of 1356904589 is about 1107.0904481624.

The spelling of 1356904589 in words is "one billion, three hundred fifty-six million, nine hundred four thousand, five hundred eighty-nine".