1356535013 has 2 divisors, whose sum is σ = 1356535014. Its totient is φ = 1356535012.

The previous prime is 1356534953. The next prime is 1356535057. The reversal of 1356535013 is 3105356531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1058005729 + 298529284 = 32527^2 + 17278^2 .

It is a cyclic number.

It is not a de Polignac number, because 1356535013 - 2²⁰ = 1355486437 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1356535093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678267506 + 678267507.

It is an arithmetic number, because the mean of its divisors is an integer number (678267507).

Almost surely, 2^1356535013 is an apocalyptic number.

It is an amenable number.

1356535013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356535013 is an equidigital number, since it uses as much as digits as its factorization.

1356535013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20250, while the sum is 32.

The square root of 1356535013 is about 36831.1690419949. The cubic root of 1356535013 is about 1106.9899274098.

The spelling of 1356535013 in words is "one billion, three hundred fifty-six million, five hundred thirty-five thousand, thirteen".