1356896539 has 2 divisors, whose sum is σ = 1356896540. Its totient is φ = 1356896538.

The previous prime is 1356896509. The next prime is 1356896551. The reversal of 1356896539 is 9356986531.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1356896539 - 2⁵ = 1356896507 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1356896539.

It is not a weakly prime, because it can be changed into another prime (1356896509) by changing a digit.

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 as a sum of consecutive naturals, namely, 678448269 + 678448270.

It is an arithmetic number, because the mean of its divisors is an integer number (678448270).

Almost surely, 2^1356896539 is an apocalyptic number.

1356896539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356896539 is an equidigital number, since it uses as much as digits as its factorization.

1356896539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5248800, while the sum is 55.

The square root of 1356896539 is about 36836.0765961849. The cubic root of 1356896539 is about 1107.0882588423.

The spelling of 1356896539 in words is "one billion, three hundred fifty-six million, eight hundred ninety-six thousand, five hundred thirty-nine".