135550617 has 16 divisors (see below), whose sum is σ = 190652160. Its totient is φ = 85428432.

The previous prime is 135550607. The next prime is 135550621. The reversal of 135550617 is 716055531.

It is not a de Polignac number, because 135550617 - 2⁸ = 135550361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135550607) 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 in 15 ways as a sum of consecutive naturals, for example, 27538 + ... + 32084.

It is an arithmetic number, because the mean of its divisors is an integer number (11915760).

Almost surely, 2^135550617 is an apocalyptic number.

It is an amenable number.

135550617 is a deficient number, since it is larger than the sum of its proper divisors (55101543).

135550617 is a wasteful number, since it uses less digits than its factorization.

135550617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5092.

The product of its (nonzero) digits is 15750, while the sum is 33.

The square root of 135550617 is about 11642.6207101322. The cubic root of 135550617 is about 513.6892763342.

The spelling of 135550617 in words is "one hundred thirty-five million, five hundred fifty thousand, six hundred seventeen".