190082709 has 12 divisors (see below), whose sum is σ = 275445196. Its totient is φ = 126315072.

The previous prime is 190082701. The next prime is 190082713. The reversal of 190082709 is 907280091.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49660209 + 140422500 = 7047^2 + 11850^2 .

It is not a de Polignac number, because 190082709 - 2³ = 190082701 is a prime.

It is a super-2 number, since 2×190082709² = 72262872521557362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190082701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30922 + ... + 36555.

Almost surely, 2^190082709 is an apocalyptic number.

It is an amenable number.

190082709 is a deficient number, since it is larger than the sum of its proper divisors (85362487).

190082709 is a wasteful number, since it uses less digits than its factorization.

190082709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67796 (or 67793 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 190082709 is about 13787.0485964183. The cubic root of 190082709 is about 574.9731143069.

The spelling of 190082709 in words is "one hundred ninety million, eighty-two thousand, seven hundred nine".