135405414 has 24 divisors (see below), whose sum is σ = 295979112. Its totient is φ = 44735040.

The previous prime is 135405373. The next prime is 135405443. The reversal of 135405414 is 414504531.

It is a happy number.

It is a super-2 number, since 2×135405414² = 36669252281022792, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31252 + ... + 35319.

It is an arithmetic number, because the mean of its divisors is an integer number (12332463).

Almost surely, 2^135405414 is an apocalyptic number.

135405414 is an abundant number, since it is smaller than the sum of its proper divisors (160573698).

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

135405414 is a wasteful number, since it uses less digits than its factorization.

135405414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66692 (or 66689 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 135405414 is about 11636.3832009779. The cubic root of 135405414 is about 513.5057879934.

Adding to 135405414 its reverse (414504531), we get a palindrome (549909945).

The spelling of 135405414 in words is "one hundred thirty-five million, four hundred five thousand, four hundred fourteen".