135541444 has 6 divisors (see below), whose sum is σ = 237197534. Its totient is φ = 67770720.

The previous prime is 135541429. The next prime is 135541453. The reversal of 135541444 is 444145531.

It can be written as a sum of positive squares in only one way, i.e., 127418944 + 8122500 = 11288^2 + 2850^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16942677 + ... + 16942684.

Almost surely, 2^135541444 is an apocalyptic number.

It is an amenable number.

135541444 is a deficient number, since it is larger than the sum of its proper divisors (101656090).

135541444 is a wasteful number, since it uses less digits than its factorization.

135541444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33885365 (or 33885363 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 135541444 is about 11642.2267629522. The cubic root of 135541444 is about 513.6776885890.

Adding to 135541444 its reverse (444145531), we get a palindrome (579686975).

The spelling of 135541444 in words is "one hundred thirty-five million, five hundred forty-one thousand, four hundred forty-four".