1356836673 has 16 divisors (see below), whose sum is σ = 1816214400. Its totient is φ = 901017600.

The previous prime is 1356836671. The next prime is 1356836681. The reversal of 1356836673 is 3766386531.

It is not a de Polignac number, because 1356836673 - 2¹ = 1356836671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1356836671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1616788 + ... + 1617626.

It is an arithmetic number, because the mean of its divisors is an integer number (113513400).

Almost surely, 2^1356836673 is an apocalyptic number.

It is an amenable number.

1356836673 is a deficient number, since it is larger than the sum of its proper divisors (459377727).

1356836673 is an equidigital number, since it uses as much as digits as its factorization.

1356836673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312.

The product of its digits is 1632960, while the sum is 48.

The square root of 1356836673 is about 36835.2639871089. The cubic root of 1356836673 is about 1107.0719770997.

The spelling of 1356836673 in words is "one billion, three hundred fifty-six million, eight hundred thirty-six thousand, six hundred seventy-three".