194130 has 32 divisors (see below), whose sum is σ = 518400. Its totient is φ = 51696.

The previous prime is 194119. The next prime is 194141. The reversal of 194130 is 31491.

It is an interprime number because it is at equal distance from previous prime (194119) and next prime (194141).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 194130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90 + ... + 629.

It is an arithmetic number, because the mean of its divisors is an integer number (16200).

2¹⁹⁴¹³⁰ is an apocalyptic number.

194130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 194130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259200).

194130 is an abundant number, since it is smaller than the sum of its proper divisors (324270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194130 is a wasteful number, since it uses less digits than its factorization.

194130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 194130 is about 440.6018610946. The cubic root of 194130 is about 57.9025315009.

It can be divided in two parts, 194 and 130, that added together give a square (324 = 18²).

The spelling of 194130 in words is "one hundred ninety-four thousand, one hundred thirty".