137210219 has 2 divisors, whose sum is σ = 137210220. Its totient is φ = 137210218.

The previous prime is 137210201. The next prime is 137210221. The reversal of 137210219 is 912012731.

137210219 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 137210219 - 2¹² = 137206123 is a prime.

It is a super-2 number, since 2×137210219² = 37653288396055922, which contains 22 as substring.

Together with 137210221, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (137210239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68605109 + 68605110.

It is an arithmetic number, because the mean of its divisors is an integer number (68605110).

Almost surely, 2^137210219 is an apocalyptic number.

137210219 is a deficient number, since it is larger than the sum of its proper divisors (1).

137210219 is an equidigital number, since it uses as much as digits as its factorization.

137210219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 137210219 is about 11713.6765791104. The cubic root of 137210219 is about 515.7772146339. Note that the first 3 decimals are identical.

The spelling of 137210219 in words is "one hundred thirty-seven million, two hundred ten thousand, two hundred nineteen".