195190 has 16 divisors (see below), whose sum is σ = 356400. Its totient is φ = 76960.

The previous prime is 195163. The next prime is 195193. The reversal of 195190 is 91591.

It is a super-2 number, since 2×195190² = 76198272200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195193) by changing a digit.

195190 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1236 + ... + 1384.

It is an arithmetic number, because the mean of its divisors is an integer number (22275).

2¹⁹⁵¹⁹⁰ is an apocalyptic number.

195190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195190 is a deficient number, since it is larger than the sum of its proper divisors (161210).

195190 is a wasteful number, since it uses less digits than its factorization.

195190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287.

The product of its (nonzero) digits is 405, while the sum is 25.

The square root of 195190 is about 441.8031235743. The cubic root of 195190 is about 58.0077278645.

The spelling of 195190 in words is "one hundred ninety-five thousand, one hundred ninety".