199273140 has 144 divisors (see below), whose sum is σ = 694249920. Its totient is φ = 45757440.

The previous prime is 199273097. The next prime is 199273141. The reversal of 199273140 is 41372991.

199273140 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 199273095 and 199273104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199273141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34972 + ... + 40268.

It is an arithmetic number, because the mean of its divisors is an integer number (4821180).

Almost surely, 2^199273140 is an apocalyptic number.

199273140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199273140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347124960).

199273140 is an abundant number, since it is smaller than the sum of its proper divisors (494976780).

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

199273140 is a wasteful number, since it uses less digits than its factorization.

199273140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5342 (or 5337 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 199273140 is about 14116.4138505500. The cubic root of 199273140 is about 584.0942371539.

The spelling of 199273140 in words is "one hundred ninety-nine million, two hundred seventy-three thousand, one hundred forty".