135539615633 has 2 divisors, whose sum is σ = 135539615634. Its totient is φ = 135539615632.

The previous prime is 135539615609. The next prime is 135539615647. The reversal of 135539615633 is 336516935531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90690117904 + 44849497729 = 301148^2 + 211777^2 .

It is a cyclic number.

It is not a de Polignac number, because 135539615633 - 2¹⁸ = 135539353489 is a prime.

It is not a weakly prime, because it can be changed into another prime (135539615833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67769807816 + 67769807817.

It is an arithmetic number, because the mean of its divisors is an integer number (67769807817).

Almost surely, 2^135539615633 is an apocalyptic number.

It is an amenable number.

135539615633 is a deficient number, since it is larger than the sum of its proper divisors (1).

135539615633 is an equidigital number, since it uses as much as digits as its factorization.

135539615633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3280500, while the sum is 50.

The spelling of 135539615633 in words is "one hundred thirty-five billion, five hundred thirty-nine million, six hundred fifteen thousand, six hundred thirty-three".