190640083 has 2 divisors, whose sum is σ = 190640084. Its totient is φ = 190640082.

The previous prime is 190640069. The next prime is 190640089. The reversal of 190640083 is 380046091.

It is a strong prime.

It is an emirp because it is prime and its reverse (380046091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190640083 - 2²¹ = 188542931 is a prime.

It is not a weakly prime, because it can be changed into another prime (190640089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95320041 + 95320042.

It is an arithmetic number, because the mean of its divisors is an integer number (95320042).

Almost surely, 2^190640083 is an apocalyptic number.

190640083 is a deficient number, since it is larger than the sum of its proper divisors (1).

190640083 is an equidigital number, since it uses as much as digits as its factorization.

190640083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 190640083 is about 13807.2474809428. The cubic root of 190640083 is about 575.5345582097.

The spelling of 190640083 in words is "one hundred ninety million, six hundred forty thousand, eighty-three".