134340405 has 16 divisors (see below), whose sum is σ = 215115264. Its totient is φ = 71591360.

The previous prime is 134340373. The next prime is 134340413. The reversal of 134340405 is 504043431.

It is not a de Polignac number, because 134340405 - 2⁵ = 134340373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21820 + ... + 27290.

It is an arithmetic number, because the mean of its divisors is an integer number (13444704).

Almost surely, 2^134340405 is an apocalyptic number.

134340405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134340405 is a deficient number, since it is larger than the sum of its proper divisors (80774859).

134340405 is a wasteful number, since it uses less digits than its factorization.

134340405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7116.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 134340405 is about 11590.5308334002. The cubic root of 134340405 is about 512.1559443700.

Adding to 134340405 its reverse (504043431), we get a palindrome (638383836).

The spelling of 134340405 in words is "one hundred thirty-four million, three hundred forty thousand, four hundred five".