135405152044 has 12 divisors (see below), whose sum is σ = 242738504568. Its totient is φ = 66051293600.

The previous prime is 135405152033. The next prime is 135405152059. The reversal of 135405152044 is 440251504531.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412820422 + ... + 412820749.

It is an arithmetic number, because the mean of its divisors is an integer number (20228208714).

Almost surely, 2^135405152044 is an apocalyptic number.

It is an amenable number.

135405152044 is a deficient number, since it is larger than the sum of its proper divisors (107333352524).

135405152044 is a wasteful number, since it uses less digits than its factorization.

135405152044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825641216 (or 825641214 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 135405152044 its reverse (440251504531), we get a palindrome (575656656575).

The spelling of 135405152044 in words is "one hundred thirty-five billion, four hundred five million, one hundred fifty-two thousand, forty-four".