134404080 has 40 divisors (see below), whose sum is σ = 416653392. Its totient is φ = 35841024.

The previous prime is 134404069. The next prime is 134404129. The reversal of 134404080 is 80404431.

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 (24).

It is a self number, because there is not a number n which added to its sum of digits gives 134404080.

It is a congruent number.

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, 279769 + ... + 280248.

Almost surely, 2^134404080 is an apocalyptic number.

134404080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134404080 is an abundant number, since it is smaller than the sum of its proper divisors (282249312).

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

134404080 is a wasteful number, since it uses less digits than its factorization.

134404080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560033 (or 560027 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 134404080 is about 11593.2773623337. The cubic root of 134404080 is about 512.2368492392.

The spelling of 134404080 in words is "one hundred thirty-four million, four hundred four thousand, eighty".