134190205 has 4 divisors (see below), whose sum is σ = 161028252. Its totient is φ = 107352160.

The previous prime is 134190137. The next prime is 134190209. The reversal of 134190205 is 502091431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52142841 + 82047364 = 7221^2 + 9058^2 .

It is not a de Polignac number, because 134190205 - 2¹⁵ = 134157437 is a prime.

It is a super-2 number, since 2×134190205² = 36014022235884050, which contains 22 as substring.

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 134190205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134190209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13419016 + ... + 13419025.

It is an arithmetic number, because the mean of its divisors is an integer number (40257063).

Almost surely, 2^134190205 is an apocalyptic number.

It is an amenable number.

134190205 is a deficient number, since it is larger than the sum of its proper divisors (26838047).

134190205 is an equidigital number, since it uses as much as digits as its factorization.

134190205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26838046.

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

The square root of 134190205 is about 11584.0495941618. The cubic root of 134190205 is about 511.9650003032.

The spelling of 134190205 in words is "one hundred thirty-four million, one hundred ninety thousand, two hundred five".