135205464 has 64 divisors (see below), whose sum is σ = 350553600. Its totient is φ = 43426944.

The previous prime is 135205457. The next prime is 135205481. The reversal of 135205464 is 464502531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74682 + ... + 76470.

It is an arithmetic number, because the mean of its divisors is an integer number (5477400).

Almost surely, 2^135205464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135205464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175276800).

135205464 is an abundant number, since it is smaller than the sum of its proper divisors (215348136).

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

135205464 is a wasteful number, since it uses less digits than its factorization.

135205464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912 (or 1908 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 135205464 is about 11627.7884397679. The cubic root of 135205464 is about 513.2529028237.

Adding to 135205464 its reverse (464502531), we get a palindrome (599707995).

The spelling of 135205464 in words is "one hundred thirty-five million, two hundred five thousand, four hundred sixty-four".