135608597 has 2 divisors, whose sum is σ = 135608598. Its totient is φ = 135608596.

The previous prime is 135608581. The next prime is 135608623. The reversal of 135608597 is 795806531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96157636 + 39450961 = 9806^2 + 6281^2 .

It is a cyclic number.

It is not a de Polignac number, because 135608597 - 2⁴ = 135608581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135608527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67804298 + 67804299.

It is an arithmetic number, because the mean of its divisors is an integer number (67804299).

Almost surely, 2^135608597 is an apocalyptic number.

It is an amenable number.

135608597 is a deficient number, since it is larger than the sum of its proper divisors (1).

135608597 is an equidigital number, since it uses as much as digits as its factorization.

135608597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 135608597 is about 11645.1104331389. The cubic root of 135608597 is about 513.7625071793.

The spelling of 135608597 in words is "one hundred thirty-five million, six hundred eight thousand, five hundred ninety-seven".