134430720 has 120 divisors (see below), whose sum is σ = 430951584. Its totient is φ = 35782656.

The previous prime is 134430707. The next prime is 134430727. The reversal of 134430720 is 27034431.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134430727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245487 + ... + 246033.

Almost surely, 2^134430720 is an apocalyptic number.

134430720 is a gapful number since it is divisible by the number (10) 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 134430720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215475792).

134430720 is an abundant number, since it is smaller than the sum of its proper divisors (296520864).

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

134430720 is an frugal number, since it uses more digits than its factorization.

134430720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 134430720 is about 11594.4262471241. The cubic root of 134430720 is about 512.2706901964.

The spelling of 134430720 in words is "one hundred thirty-four million, four hundred thirty thousand, seven hundred twenty".