134666712 has 128 divisors (see below), whose sum is σ = 389664000. Its totient is φ = 43600032.

The previous prime is 134666689. The next prime is 134666723. The reversal of 134666712 is 217666431.

It is a happy number.

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

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, 752239 + ... + 752417.

It is an arithmetic number, because the mean of its divisors is an integer number (3044250).

Almost surely, 2^134666712 is an apocalyptic number.

134666712 is a gapful number since it is divisible by the number (12) 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 134666712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194832000).

134666712 is an abundant number, since it is smaller than the sum of its proper divisors (254997288).

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

134666712 is an equidigital number, since it uses as much as digits as its factorization.

134666712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 227 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 134666712 is about 11604.5987436016. The cubic root of 134666712 is about 512.5702772554.

The spelling of 134666712 in words is "one hundred thirty-four million, six hundred sixty-six thousand, seven hundred twelve".