1356869426 has 16 divisors (see below), whose sum is σ = 2230035840. Its totient is φ = 614063280.

The previous prime is 1356869419. The next prime is 1356869491. The reversal of 1356869426 is 6249686531.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 129626 + ... + 139701.

It is an arithmetic number, because the mean of its divisors is an integer number (139377240).

Almost surely, 2^1356869426 is an apocalyptic number.

1356869426 is a deficient number, since it is larger than the sum of its proper divisors (873166414).

1356869426 is a wasteful number, since it uses less digits than its factorization.

1356869426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269569.

The product of its digits is 1866240, while the sum is 50.

The square root of 1356869426 is about 36835.7085719822. The cubic root of 1356869426 is about 1107.0808849851.

The spelling of 1356869426 in words is "one billion, three hundred fifty-six million, eight hundred sixty-nine thousand, four hundred twenty-six".