134161405 has 8 divisors (see below), whose sum is σ = 183992832. Its totient is φ = 91996368.

The previous prime is 134161381. The next prime is 134161421. The reversal of 134161405 is 504161431.

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 134161405 - 2⁵ = 134161373 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 134161405.

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, 1916557 + ... + 1916626.

It is an arithmetic number, because the mean of its divisors is an integer number (22999104).

Almost surely, 2^134161405 is an apocalyptic number.

It is an amenable number.

134161405 is a deficient number, since it is larger than the sum of its proper divisors (49831427).

134161405 is an equidigital number, since it uses as much as digits as its factorization.

134161405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3833195.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 134161405 is about 11582.8064388558. The cubic root of 134161405 is about 511.9283715817.

The spelling of 134161405 in words is "one hundred thirty-four million, one hundred sixty-one thousand, four hundred five".