134228664 has 80 divisors (see below), whose sum is σ = 377665200. Its totient is φ = 44540928.

The previous prime is 134228641. The next prime is 134228681. The reversal of 134228664 is 466822431.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 232344 + ... + 232920.

It is an arithmetic number, because the mean of its divisors is an integer number (4720815).

Almost surely, 2^134228664 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 134228664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188832600).

134228664 is an abundant number, since it is smaller than the sum of its proper divisors (243436536).

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

134228664 is a wasteful number, since it uses less digits than its factorization.

134228664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954 (or 941 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 134228664 is about 11585.7094733124. The cubic root of 134228664 is about 512.0139054654.

The spelling of 134228664 in words is "one hundred thirty-four million, two hundred twenty-eight thousand, six hundred sixty-four".