190765069 has 4 divisors (see below), whose sum is σ = 208107360. Its totient is φ = 173422780.

The previous prime is 190765067. The next prime is 190765079. The reversal of 190765069 is 960567091.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 190765069 - 2¹ = 190765067 is a prime.

It is a super-2 number, since 2×190765069² = 72782623101149522, 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 (190765067) 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, 8671129 + ... + 8671150.

It is an arithmetic number, because the mean of its divisors is an integer number (52026840).

Almost surely, 2^190765069 is an apocalyptic number.

It is an amenable number.

190765069 is a deficient number, since it is larger than the sum of its proper divisors (17342291).

190765069 is a wasteful number, since it uses less digits than its factorization.

190765069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17342290.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 190765069 is about 13811.7728405878. The cubic root of 190765069 is about 575.6603065949.

The spelling of 190765069 in words is "one hundred ninety million, seven hundred sixty-five thousand, sixty-nine".