135595641 has 16 divisors (see below), whose sum is σ = 185360384. Its totient is φ = 88122384.

The previous prime is 135595633. The next prime is 135595661. The reversal of 135595641 is 146595531.

It is a happy number.

It is not a de Polignac number, because 135595641 - 2³ = 135595633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135595641.

It is not an unprimeable number, because it can be changed into a prime (135595661) 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, 124200 + ... + 125286.

It is an arithmetic number, because the mean of its divisors is an integer number (11585024).

Almost surely, 2^135595641 is an apocalyptic number.

It is an amenable number.

135595641 is a deficient number, since it is larger than the sum of its proper divisors (49764743).

135595641 is a wasteful number, since it uses less digits than its factorization.

135595641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100.

The product of its digits is 81000, while the sum is 39.

The square root of 135595641 is about 11644.5541348735. The cubic root of 135595641 is about 513.7461450922.

The spelling of 135595641 in words is "one hundred thirty-five million, five hundred ninety-five thousand, six hundred forty-one".