137030219 has 2 divisors, whose sum is σ = 137030220. Its totient is φ = 137030218.

The previous prime is 137030171. The next prime is 137030221. The reversal of 137030219 is 912030731.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137030219 is a prime.

It is a super-2 number, since 2×137030219² = 37554561838375922, which contains 22 as substring.

Together with 137030221, 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 (137030269) 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, 68515109 + 68515110.

It is an arithmetic number, because the mean of its divisors is an integer number (68515110).

Almost surely, 2^137030219 is an apocalyptic number.

137030219 is a deficient number, since it is larger than the sum of its proper divisors (1).

137030219 is an equidigital number, since it uses as much as digits as its factorization.

137030219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 137030219 is about 11705.9907312453. The cubic root of 137030219 is about 515.5515741861.

The spelling of 137030219 in words is "one hundred thirty-seven million, thirty thousand, two hundred nineteen".