135833421263 has 8 divisors (see below), whose sum is σ = 136454629248. Its totient is φ = 135212321664.

The previous prime is 135833421247. The next prime is 135833421307. The reversal of 135833421263 is 362124338531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135833421263 - 2⁴ = 135833421247 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 135833421263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135833421863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3565331 + ... + 3603227.

It is an arithmetic number, because the mean of its divisors is an integer number (17056828656).

Almost surely, 2^135833421263 is an apocalyptic number.

135833421263 is a deficient number, since it is larger than the sum of its proper divisors (621207985).

135833421263 is a wasteful number, since it uses less digits than its factorization.

135833421263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54193.

The product of its digits is 311040, while the sum is 41.

Adding to 135833421263 its reverse (362124338531), we get a palindrome (497957759794).

The spelling of 135833421263 in words is "one hundred thirty-five billion, eight hundred thirty-three million, four hundred twenty-one thousand, two hundred sixty-three".