135423922 has 8 divisors (see below), whose sum is σ = 208626156. Its totient is φ = 65881872.

The previous prime is 135423919. The next prime is 135423923. The reversal of 135423922 is 229324531.

It can be written as a sum of positive squares in 2 ways, for example, as 114254721 + 21169201 = 10689^2 + 4601^2 .

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 (135423923) 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, 914953 + ... + 915100.

Almost surely, 2^135423922 is an apocalyptic number.

135423922 is a deficient number, since it is larger than the sum of its proper divisors (73202234).

135423922 is a wasteful number, since it uses less digits than its factorization.

135423922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830092.

The product of its digits is 12960, while the sum is 31.

The square root of 135423922 is about 11637.1784380923. The cubic root of 135423922 is about 513.5291832474.

The spelling of 135423922 in words is "one hundred thirty-five million, four hundred twenty-three thousand, nine hundred twenty-two".