214140139 has 2 divisors, whose sum is σ = 214140140. Its totient is φ = 214140138.

The previous prime is 214140077. The next prime is 214140151. The reversal of 214140139 is 931041412.

It is a happy number.

214140139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214140139 - 2⁷ = 214140011 is a prime.

It is not a weakly prime, because it can be changed into another prime (214140169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107070069 + 107070070.

It is an arithmetic number, because the mean of its divisors is an integer number (107070070).

Almost surely, 2^214140139 is an apocalyptic number.

214140139 is a deficient number, since it is larger than the sum of its proper divisors (1).

214140139 is an equidigital number, since it uses as much as digits as its factorization.

214140139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 214140139 is about 14633.5279068309. The cubic root of 214140139 is about 598.2729400243.

The spelling of 214140139 in words is "two hundred fourteen million, one hundred forty thousand, one hundred thirty-nine".