214040811 has 4 divisors (see below), whose sum is σ = 285387752. Its totient is φ = 142693872.

The previous prime is 214040809. The next prime is 214040831. The reversal of 214040811 is 118040412.

It is a happy number.

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

It is not a de Polignac number, because 214040811 - 2¹ = 214040809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214040831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35673466 + ... + 35673471.

It is an arithmetic number, because the mean of its divisors is an integer number (71346938).

Almost surely, 2^214040811 is an apocalyptic number.

214040811 is a deficient number, since it is larger than the sum of its proper divisors (71346941).

214040811 is an equidigital number, since it uses as much as digits as its factorization.

214040811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71346940.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 214040811 is about 14630.1336630941. The cubic root of 214040811 is about 598.1804235920.

The spelling of 214040811 in words is "two hundred fourteen million, forty thousand, eight hundred eleven".