135423044 has 6 divisors (see below), whose sum is σ = 236990334. Its totient is φ = 67711520.

The previous prime is 135423007. The next prime is 135423047. The reversal of 135423044 is 440324531.

It can be written as a sum of positive squares in only one way, i.e., 130188100 + 5234944 = 11410^2 + 2288^2 .

It is not an unprimeable number, because it can be changed into a prime (135423047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16927877 + ... + 16927884.

It is an arithmetic number, because the mean of its divisors is an integer number (39498389).

Almost surely, 2^135423044 is an apocalyptic number.

It is an amenable number.

135423044 is a deficient number, since it is larger than the sum of its proper divisors (101567290).

135423044 is a wasteful number, since it uses less digits than its factorization.

135423044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33855765 (or 33855763 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 135423044 is about 11637.1407141101. The cubic root of 135423044 is about 513.5280734494.

Adding to 135423044 its reverse (440324531), we get a palindrome (575747575).

The spelling of 135423044 in words is "one hundred thirty-five million, four hundred twenty-three thousand, forty-four".