190268807 has 4 divisors (see below), whose sum is σ = 190955976. Its totient is φ = 189581640.

The previous prime is 190268803. The next prime is 190268809. The reversal of 190268807 is 708862091.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 190268807 - 2² = 190268803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190268801) 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, 343169 + ... + 343722.

It is an arithmetic number, because the mean of its divisors is an integer number (47738994).

Almost surely, 2^190268807 is an apocalyptic number.

190268807 is a deficient number, since it is larger than the sum of its proper divisors (687169).

190268807 is an equidigital number, since it uses as much as digits as its factorization.

190268807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687168.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 190268807 is about 13793.7959605034. The cubic root of 190268807 is about 575.1606930837.

The spelling of 190268807 in words is "one hundred ninety million, two hundred sixty-eight thousand, eight hundred seven".