191383093 has 16 divisors (see below), whose sum is σ = 228692160. Its totient is φ = 158099200.

The previous prime is 191383091. The next prime is 191383097. The reversal of 191383093 is 390383191.

It is a cyclic number.

It is not a de Polignac number, because 191383093 - 2¹ = 191383091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191383091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12223 + ... + 23068.

It is an arithmetic number, because the mean of its divisors is an integer number (14293260).

Almost surely, 2^191383093 is an apocalyptic number.

It is an amenable number.

191383093 is a deficient number, since it is larger than the sum of its proper divisors (37309067).

191383093 is a wasteful number, since it uses less digits than its factorization.

191383093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35348.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 191383093 is about 13834.1278366220. The cubic root of 191383093 is about 576.2812944547.

The spelling of 191383093 in words is "one hundred ninety-one million, three hundred eighty-three thousand, ninety-three".