135405244 has 24 divisors (see below), whose sum is σ = 255511088. Its totient is φ = 62415360.

The previous prime is 135405217. The next prime is 135405251. The reversal of 135405244 is 442504531.

It is a congruent number.

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, 66124 + ... + 68140.

Almost surely, 2^135405244 is an apocalyptic number.

It is an amenable number.

135405244 is a deficient number, since it is larger than the sum of its proper divisors (120105844).

135405244 is a wasteful number, since it uses less digits than its factorization.

135405244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3325 (or 3323 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 135405244 is about 11636.3758963004. The cubic root of 135405244 is about 513.5055730931.

Adding to 135405244 its reverse (442504531), we get a palindrome (577909775).

The spelling of 135405244 in words is "one hundred thirty-five million, four hundred five thousand, two hundred forty-four".