1356842879 has 24 divisors (see below), whose sum is σ = 1673865648. Its totient is φ = 1092860160.

The previous prime is 1356842863. The next prime is 1356842881. The reversal of 1356842879 is 9782486531.

It is not a de Polignac number, because 1356842879 - 2⁴ = 1356842863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1356842879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356842579) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 908057 + ... + 909549.

It is an arithmetic number, because the mean of its divisors is an integer number (69744402).

Almost surely, 2^1356842879 is an apocalyptic number.

1356842879 is a deficient number, since it is larger than the sum of its proper divisors (317022769).

1356842879 is a wasteful number, since it uses less digits than its factorization.

1356842879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615 (or 2608 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 53.

The square root of 1356842879 is about 36835.3482269409. The cubic root of 1356842879 is about 1107.0736649664.

The spelling of 1356842879 in words is "one billion, three hundred fifty-six million, eight hundred forty-two thousand, eight hundred seventy-nine".