134889664 has 224 divisors, whose sum is σ = 368686080. Its totient is φ = 47443968.

The previous prime is 134889613. The next prime is 134889709. The reversal of 134889664 is 466988431.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2545062 + ... + 2545114.

It is an arithmetic number, because the mean of its divisors is an integer number (1645920).

Almost surely, 2^134889664 is an apocalyptic number.

134889664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134889664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184343040).

134889664 is an abundant number, since it is smaller than the sum of its proper divisors (233796416).

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

134889664 is a wasteful number, since it uses less digits than its factorization.

134889664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 117 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The square root of 134889664 is about 11614.2009626147. The cubic root of 134889664 is about 512.8529889436.

The spelling of 134889664 in words is "one hundred thirty-four million, eight hundred eighty-nine thousand, six hundred sixty-four".