134507280 has 40 divisors (see below), whose sum is σ = 416973312. Its totient is φ = 35868544.

The previous prime is 134507273. The next prime is 134507323. The reversal of 134507280 is 82705431.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279984 + ... + 280463.

Almost surely, 2^134507280 is an apocalyptic number.

134507280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134507280 is an abundant number, since it is smaller than the sum of its proper divisors (282466032).

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

134507280 is a wasteful number, since it uses less digits than its factorization.

134507280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560463 (or 560457 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 134507280 is about 11597.7273635829. The cubic root of 134507280 is about 512.3679199593.

The spelling of 134507280 in words is "one hundred thirty-four million, five hundred seven thousand, two hundred eighty".