134134405 has 8 divisors (see below), whose sum is σ = 161054712. Its totient is φ = 107245248.

The previous prime is 134134397. The next prime is 134134409. The reversal of 134134405 is 504431431.

It can be written as a sum of positive squares in 4 ways, for example, as 662596 + 133471809 = 814^2 + 11553^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134134405 - 2³ = 134134397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134134405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134134409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3067 + ... + 16663.

It is an arithmetic number, because the mean of its divisors is an integer number (20131839).

Almost surely, 2^134134405 is an apocalyptic number.

It is an amenable number.

134134405 is a deficient number, since it is larger than the sum of its proper divisors (26920307).

134134405 is a wasteful number, since it uses less digits than its factorization.

134134405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15575.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 134134405 is about 11581.6408595674. The cubic root of 134134405 is about 511.8940273941.

Adding to 134134405 its reverse (504431431), we get a palindrome (638565836).

The spelling of 134134405 in words is "one hundred thirty-four million, one hundred thirty-four thousand, four hundred five".