210139337 has 2 divisors, whose sum is σ = 210139338. Its totient is φ = 210139336.

The previous prime is 210139291. The next prime is 210139343. The reversal of 210139337 is 733931012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193460281 + 16679056 = 13909^2 + 4084^2 .

It is a cyclic number.

It is not a de Polignac number, because 210139337 - 2⁸ = 210139081 is a prime.

It is not a weakly prime, because it can be changed into another prime (210139357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105069668 + 105069669.

It is an arithmetic number, because the mean of its divisors is an integer number (105069669).

Almost surely, 2^210139337 is an apocalyptic number.

It is an amenable number.

210139337 is a deficient number, since it is larger than the sum of its proper divisors (1).

210139337 is an equidigital number, since it uses as much as digits as its factorization.

210139337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 210139337 is about 14496.1835322267. The cubic root of 210139337 is about 594.5236278392.

The spelling of 210139337 in words is "two hundred ten million, one hundred thirty-nine thousand, three hundred thirty-seven".