134393280 has 168 divisors, whose sum is σ = 496537488. Its totient is φ = 30707712.

The previous prime is 134393191. The next prime is 134393291. The reversal of 134393280 is 82393431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45612 + ... + 48468.

Almost surely, 2^134393280 is an apocalyptic number.

134393280 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 134393280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248268744).

134393280 is an abundant number, since it is smaller than the sum of its proper divisors (362144208).

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

134393280 is a wasteful number, since it uses less digits than its factorization.

134393280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891 (or 2874 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 134393280 is about 11592.8115657937. The cubic root of 134393280 is about 512.2231286583.

The spelling of 134393280 in words is "one hundred thirty-four million, three hundred ninety-three thousand, two hundred eighty".