1255136359 has 2 divisors, whose sum is σ = 1255136360. Its totient is φ = 1255136358.

The previous prime is 1255136357. The next prime is 1255136383. The reversal of 1255136359 is 9536315521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1255136359 - 2¹ = 1255136357 is a prime.

Together with 1255136357, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1255136353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627568179 + 627568180.

It is an arithmetic number, because the mean of its divisors is an integer number (627568180).

Almost surely, 2^1255136359 is an apocalyptic number.

1255136359 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255136359 is an equidigital number, since it uses as much as digits as its factorization.

1255136359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 121500, while the sum is 40.

The square root of 1255136359 is about 35427.9036777510. The cubic root of 1255136359 is about 1078.6907886868.

The spelling of 1255136359 in words is "one billion, two hundred fifty-five million, one hundred thirty-six thousand, three hundred fifty-nine".