214139767 has 2 divisors, whose sum is σ = 214139768. Its totient is φ = 214139766.

The previous prime is 214139753. The next prime is 214139771. The reversal of 214139767 is 767931412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214139767 - 2²³ = 205751159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214139777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107069883 + 107069884.

It is an arithmetic number, because the mean of its divisors is an integer number (107069884).

Almost surely, 2^214139767 is an apocalyptic number.

214139767 is a deficient number, since it is larger than the sum of its proper divisors (1).

214139767 is an equidigital number, since it uses as much as digits as its factorization.

214139767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 40.

The square root of 214139767 is about 14633.5151962883. The cubic root of 214139767 is about 598.2725935882.

The spelling of 214139767 in words is "two hundred fourteen million, one hundred thirty-nine thousand, seven hundred sixty-seven".