134166564 has 96 divisors (see below), whose sum is σ = 401623040. Its totient is φ = 37939104.

The previous prime is 134166559. The next prime is 134166587. The reversal of 134166564 is 465661431.

It is a happy number.

134166564 is a `hidden beast` number, since 1 + 34 + 1 + 66 + 564 = 666.

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 31 ways as a sum of consecutive naturals, for example, 77007 + ... + 78729.

Almost surely, 2^134166564 is an apocalyptic number.

134166564 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 134166564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200811520).

134166564 is an abundant number, since it is smaller than the sum of its proper divisors (267456476).

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

134166564 is a wasteful number, since it uses less digits than its factorization.

134166564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846 (or 1838 counting only the distinct ones).

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

The square root of 134166564 is about 11583.0291374925. The cubic root of 134166564 is about 511.9349333412.

The spelling of 134166564 in words is "one hundred thirty-four million, one hundred sixty-six thousand, five hundred sixty-four".