135504122 has 16 divisors (see below), whose sum is σ = 221020800. Its totient is φ = 61931952.

The previous prime is 135504091. The next prime is 135504151. The reversal of 135504122 is 221405531.

It is a super-2 number, since 2×135504122² = 36722734157981768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22622 + ... + 27977.

It is an arithmetic number, because the mean of its divisors is an integer number (13813800).

Almost surely, 2^135504122 is an apocalyptic number.

135504122 is a deficient number, since it is larger than the sum of its proper divisors (85516678).

135504122 is a wasteful number, since it uses less digits than its factorization.

135504122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50717.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 135504122 is about 11640.6237805368. The cubic root of 135504122 is about 513.6305363723.

Adding to 135504122 its reverse (221405531), we get a palindrome (356909653).

The spelling of 135504122 in words is "one hundred thirty-five million, five hundred four thousand, one hundred twenty-two".