134172105 has 16 divisors (see below), whose sum is σ = 215225664. Its totient is φ = 71375040.

The previous prime is 134172047. The next prime is 134172119. The reversal of 134172105 is 501271431.

It is not a de Polignac number, because 134172105 - 2¹² = 134168009 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5311 + ... + 17220.

It is an arithmetic number, because the mean of its divisors is an integer number (13451604).

Almost surely, 2^134172105 is an apocalyptic number.

134172105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134172105 is a deficient number, since it is larger than the sum of its proper divisors (81053559).

134172105 is a wasteful number, since it uses less digits than its factorization.

134172105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22936.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 134172105 is about 11583.2683211605. The cubic root of 134172105 is about 511.9419807811.

The spelling of 134172105 in words is "one hundred thirty-four million, one hundred seventy-two thousand, one hundred five".