1356775842 has 16 divisors (see below), whose sum is σ = 2831532480. Its totient is φ = 432595152.

The previous prime is 1356775841. The next prime is 1356775867. The reversal of 1356775842 is 2485776531.

It is a junction number, because it is equal to n+sod(n) for n = 1356775791 and 1356775800.

It is not an unprimeable number, because it can be changed into a prime (1356775841) 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, 4915717 + ... + 4915992.

It is an arithmetic number, because the mean of its divisors is an integer number (176970780).

Almost surely, 2^1356775842 is an apocalyptic number.

1356775842 is an abundant number, since it is smaller than the sum of its proper divisors (1474756638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1356775842 is a wasteful number, since it uses less digits than its factorization.

1356775842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9831737.

The product of its digits is 1411200, while the sum is 48.

The square root of 1356775842 is about 36834.4382609536. The cubic root of 1356775842 is about 1107.0554324157.

The spelling of 1356775842 in words is "one billion, three hundred fifty-six million, seven hundred seventy-five thousand, eight hundred forty-two".