268140199 has 4 divisors (see below), whose sum is σ = 268346664. Its totient is φ = 267933736.

The previous prime is 268140193. The next prime is 268140203. The reversal of 268140199 is 991041862.

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 268140199 - 2⁷ = 268140071 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 (268140193) 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, 101272 + ... + 103885.

It is an arithmetic number, because the mean of its divisors is an integer number (67086666).

Almost surely, 2^268140199 is an apocalyptic number.

268140199 is a deficient number, since it is larger than the sum of its proper divisors (206465).

268140199 is a wasteful number, since it uses less digits than its factorization.

268140199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206464.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 268140199 is about 16374.9869923612. The cubic root of 268140199 is about 644.8429792244.

The spelling of 268140199 in words is "two hundred sixty-eight million, one hundred forty thousand, one hundred ninety-nine".