135404104 has 32 divisors (see below), whose sum is σ = 280483200. Its totient is φ = 60765120.

The previous prime is 135404083. The next prime is 135404107. The reversal of 135404104 is 401404531.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (135404107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2787 + ... + 16690.

It is an arithmetic number, because the mean of its divisors is an integer number (8765100).

Almost surely, 2^135404104 is an apocalyptic number.

It is an amenable number.

135404104 is an abundant number, since it is smaller than the sum of its proper divisors (145079096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135404104 is a wasteful number, since it uses less digits than its factorization.

135404104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19573 (or 19569 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 135404104 is about 11636.3269118739. The cubic root of 135404104 is about 513.5041319918.

Adding to 135404104 its reverse (401404531), we get a palindrome (536808635).

The spelling of 135404104 in words is "one hundred thirty-five million, four hundred four thousand, one hundred four".