134401260 has 96 divisors (see below), whose sum is σ = 434649600. Its totient is φ = 30394368.

The previous prime is 134401243. The next prime is 134401291. The reversal of 134401260 is 62104431.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39091 + ... + 42389.

It is an arithmetic number, because the mean of its divisors is an integer number (4527600).

Almost surely, 2^134401260 is an apocalyptic number.

134401260 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 134401260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217324800).

134401260 is an abundant number, since it is smaller than the sum of its proper divisors (300248340).

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

134401260 is a wasteful number, since it uses less digits than its factorization.

134401260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3415 (or 3413 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 134401260 is about 11593.1557394870. The cubic root of 134401260 is about 512.2332667140.

Adding to 134401260 its reverse (62104431), we get a palindrome (196505691).

The spelling of 134401260 in words is "one hundred thirty-four million, four hundred one thousand, two hundred sixty".