134400135 has 16 divisors (see below), whose sum is σ = 215187840. Its totient is φ = 71630880.

The previous prime is 134400127. The next prime is 134400137. The reversal of 134400135 is 531004431.

It is not a de Polignac number, because 134400135 - 2³ = 134400127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134400137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33676 + ... + 37454.

It is an arithmetic number, because the mean of its divisors is an integer number (13449240).

Almost surely, 2^134400135 is an apocalyptic number.

134400135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

134400135 is a deficient number, since it is larger than the sum of its proper divisors (80787705).

134400135 is a wasteful number, since it uses less digits than its factorization.

134400135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6158.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 134400135 is about 11593.1072193782. The cubic root of 134400135 is about 512.2318375011.

Adding to 134400135 its reverse (531004431), we get a palindrome (665404566).

The spelling of 134400135 in words is "one hundred thirty-four million, four hundred thousand, one hundred thirty-five".