190205134 has 16 divisors (see below), whose sum is σ = 326547936. Its totient is φ = 81396000.

The previous prime is 190205107. The next prime is 190205179. The reversal of 190205134 is 431502091.

It is a junction number, because it is equal to n+sod(n) for n = 190205099 and 190205108.

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, 124 + ... + 19504.

It is an arithmetic number, because the mean of its divisors is an integer number (20409246).

Almost surely, 2^190205134 is an apocalyptic number.

190205134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

190205134 is a deficient number, since it is larger than the sum of its proper divisors (136342802).

190205134 is a wasteful number, since it uses less digits than its factorization.

190205134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20091.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 190205134 is about 13791.4877370065. The cubic root of 190205134 is about 575.0965272100.

The spelling of 190205134 in words is "one hundred ninety million, two hundred five thousand, one hundred thirty-four".