1356844975 has 6 divisors (see below), whose sum is σ = 1682487800. Its totient is φ = 1085475960.

The previous prime is 1356844969. The next prime is 1356844991. The reversal of 1356844975 is 5794486531.

It is not a de Polignac number, because 1356844975 - 2⁷ = 1356844847 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27136875 + ... + 27136924.

Almost surely, 2^1356844975 is an apocalyptic number.

1356844975 is a deficient number, since it is larger than the sum of its proper divisors (325642825).

1356844975 is an equidigital number, since it uses as much as digits as its factorization.

1356844975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54273809 (or 54273804 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 52.

The square root of 1356844975 is about 36835.3766778623. The cubic root of 1356844975 is about 1107.0742350214.

The spelling of 1356844975 in words is "one billion, three hundred fifty-six million, eight hundred forty-four thousand, nine hundred seventy-five".