191740112 has 20 divisors (see below), whose sum is σ = 384307620. Its totient is φ = 92563968.

The previous prime is 191740111. The next prime is 191740151. The reversal of 191740112 is 211047191.

It can be written as a sum of positive squares in 2 ways, for example, as 138391696 + 53348416 = 11764^2 + 7304^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191740111) 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, 206153 + ... + 207080.

It is an arithmetic number, because the mean of its divisors is an integer number (19215381).

Almost surely, 2^191740112 is an apocalyptic number.

It is an amenable number.

191740112 is an abundant number, since it is smaller than the sum of its proper divisors (192567508).

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

191740112 is a wasteful number, since it uses less digits than its factorization.

191740112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413270 (or 413264 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 191740112 is about 13847.0253845366. The cubic root of 191740112 is about 576.6394165939.

The spelling of 191740112 in words is "one hundred ninety-one million, seven hundred forty thousand, one hundred twelve".