193112190 has 96 divisors (see below), whose sum is σ = 520805376. Its totient is φ = 49613760.

The previous prime is 193112177. The next prime is 193112201. The reversal of 193112190 is 91211391.

193112190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×193112190² = 74584635853192200, which contains 22 as substring.

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 300009 + ... + 300651.

It is an arithmetic number, because the mean of its divisors is an integer number (5425056).

Almost surely, 2^193112190 is an apocalyptic number.

193112190 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 193112190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260402688).

193112190 is an abundant number, since it is smaller than the sum of its proper divisors (327693186).

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

193112190 is a wasteful number, since it uses less digits than its factorization.

193112190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774 (or 771 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 27.

The square root of 193112190 is about 13896.4812092846. The cubic root of 193112190 is about 578.0116116168.

The spelling of 193112190 in words is "one hundred ninety-three million, one hundred twelve thousand, one hundred ninety".