135819322 has 8 divisors (see below), whose sum is σ = 203814900. Its totient is φ = 67881024.

The previous prime is 135819289. The next prime is 135819329. The reversal of 135819322 is 223918531.

It can be written as a sum of positive squares in 2 ways, for example, as 123854641 + 11964681 = 11129^2 + 3459^2 .

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

It is not an unprimeable number, because it can be changed into a prime (135819329) 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, 7797 + ... + 18232.

Almost surely, 2^135819322 is an apocalyptic number.

135819322 is a deficient number, since it is larger than the sum of its proper divisors (67995578).

135819322 is a wasteful number, since it uses less digits than its factorization.

135819322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28640.

The product of its digits is 12960, while the sum is 34.

The square root of 135819322 is about 11654.1547098020. The cubic root of 135819322 is about 514.0284848481.

The spelling of 135819322 in words is "one hundred thirty-five million, eight hundred nineteen thousand, three hundred twenty-two".