191000092 has 12 divisors (see below), whose sum is σ = 334751536. Its totient is φ = 95356800.

The previous prime is 191000059. The next prime is 191000093. The reversal of 191000092 is 290000191.

191000092 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191000093) 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, 32784 + ... + 38167.

Almost surely, 2^191000092 is an apocalyptic number.

It is an amenable number.

191000092 is a deficient number, since it is larger than the sum of its proper divisors (143751444).

191000092 is a wasteful number, since it uses less digits than its factorization.

191000092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71628 (or 71626 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 191000092 is about 13820.2782895280. The cubic root of 191000092 is about 575.8966145143.

Multiplying 191000092 by its sum of digits (22), we get a palindrome (4202002024).

Subtracting 191000092 from its reverse (290000191), we obtain a palindrome (99000099).

The spelling of 191000092 in words is "one hundred ninety-one million, ninety-two", and thus it is an aban number.