134643712 has 64 divisors (see below), whose sum is σ = 308276640. Its totient is φ = 57606144.

The previous prime is 134643697. The next prime is 134643779. The reversal of 134643712 is 217346431.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×134643712² = 36257858362277888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229083 + ... + 229669.

Almost surely, 2^134643712 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 134643712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154138320).

134643712 is an abundant number, since it is smaller than the sum of its proper divisors (173632928).

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

134643712 is an frugal number, since it uses more digits than its factorization.

134643712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624 (or 596 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 134643712 is about 11603.6077148446. The cubic root of 134643712 is about 512.5410946227.

The spelling of 134643712 in words is "one hundred thirty-four million, six hundred forty-three thousand, seven hundred twelve".