135146664 has 64 divisors (see below), whose sum is σ = 378230400. Its totient is φ = 44710272.

The previous prime is 135146657. The next prime is 135146717. The reversal of 135146664 is 466641531.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 27309 + ... + 31875.

It is an arithmetic number, because the mean of its divisors is an integer number (5909850).

Almost surely, 2^135146664 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 135146664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189115200).

135146664 is an abundant number, since it is smaller than the sum of its proper divisors (243083736).

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

135146664 is a wasteful number, since it uses less digits than its factorization.

135146664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4719 (or 4709 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 135146664 is about 11625.2597390338. The cubic root of 135146664 is about 513.1784885563.

The spelling of 135146664 in words is "one hundred thirty-five million, one hundred forty-six thousand, six hundred sixty-four".