190140851 has 2 divisors, whose sum is σ = 190140852. Its totient is φ = 190140850.

The previous prime is 190140829. The next prime is 190140859. The reversal of 190140851 is 158041091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 190140851 - 2¹⁸ = 189878707 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (190140859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95070425 + 95070426.

It is an arithmetic number, because the mean of its divisors is an integer number (95070426).

Almost surely, 2^190140851 is an apocalyptic number.

190140851 is a deficient number, since it is larger than the sum of its proper divisors (1).

190140851 is an equidigital number, since it uses as much as digits as its factorization.

190140851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 190140851 is about 13789.1570083164. The cubic root of 190140851 is about 575.0317320862.

The spelling of 190140851 in words is "one hundred ninety million, one hundred forty thousand, eight hundred fifty-one".