135622244 has 6 divisors (see below), whose sum is σ = 237338934. Its totient is φ = 67811120.

The previous prime is 135622229. The next prime is 135622309. The reversal of 135622244 is 442226531.

It can be written as a sum of positive squares in only one way, i.e., 131974144 + 3648100 = 11488^2 + 1910^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16952777 + ... + 16952784.

It is an arithmetic number, because the mean of its divisors is an integer number (39556489).

Almost surely, 2^135622244 is an apocalyptic number.

It is an amenable number.

135622244 is a deficient number, since it is larger than the sum of its proper divisors (101716690).

135622244 is a wasteful number, since it uses less digits than its factorization.

135622244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33905565 (or 33905563 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 135622244 is about 11645.6963724803. The cubic root of 135622244 is about 513.7797408009.

Subtracting from 135622244 its sum of digits (29), we obtain a triangular number (135622215 = T₁₆₄₆₉).

Adding to 135622244 its reverse (442226531), we get a palindrome (577848775).

The spelling of 135622244 in words is "one hundred thirty-five million, six hundred twenty-two thousand, two hundred forty-four".