135122452 has 12 divisors (see below), whose sum is σ = 248909920. Its totient is φ = 64005336.

The previous prime is 135122441. The next prime is 135122461. The reversal of 135122452 is 254221531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 888888 + ... + 889039.

Almost surely, 2^135122452 is an apocalyptic number.

It is an amenable number.

135122452 is a deficient number, since it is larger than the sum of its proper divisors (113787468).

135122452 is a wasteful number, since it uses less digits than its factorization.

135122452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777950 (or 1777948 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 135122452 is about 11624.2183393121. The cubic root of 135122452 is about 513.1478408158.

Adding to 135122452 its reverse (254221531), we get a palindrome (389343983).

The spelling of 135122452 in words is "one hundred thirty-five million, one hundred twenty-two thousand, four hundred fifty-two".