135941540533 has 4 divisors (see below), whose sum is σ = 135942434188. Its totient is φ = 135940646880.

The previous prime is 135941540521. The next prime is 135941540551. The reversal of 135941540533 is 335045149531.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 11581633924 + 124359906609 = 107618^2 + 352647^2 .

It is a cyclic number.

It is not a de Polignac number, because 135941540533 - 2¹³ = 135941532341 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 135941540533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135941540633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155208 + ... + 544033.

It is an arithmetic number, because the mean of its divisors is an integer number (33985608547).

Almost surely, 2^135941540533 is an apocalyptic number.

It is an amenable number.

135941540533 is a deficient number, since it is larger than the sum of its proper divisors (893655).

135941540533 is an equidigital number, since it uses as much as digits as its factorization.

135941540533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893654.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 135941540533 in words is "one hundred thirty-five billion, nine hundred forty-one million, five hundred forty thousand, five hundred thirty-three".