137922619 has 2 divisors, whose sum is σ = 137922620. Its totient is φ = 137922618.

The previous prime is 137922599. The next prime is 137922641. The reversal of 137922619 is 916229731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137922619 - 2¹⁷ = 137791547 is a prime.

It is a super-2 number, since 2×137922619² = 38045297663638322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (137922019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68961309 + 68961310.

It is an arithmetic number, because the mean of its divisors is an integer number (68961310).

Almost surely, 2^137922619 is an apocalyptic number.

137922619 is a deficient number, since it is larger than the sum of its proper divisors (1).

137922619 is an equidigital number, since it uses as much as digits as its factorization.

137922619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 40.

The square root of 137922619 is about 11744.0461085607. The cubic root of 137922619 is about 516.6683183205.

The spelling of 137922619 in words is "one hundred thirty-seven million, nine hundred twenty-two thousand, six hundred nineteen".