137279627 has 2 divisors, whose sum is σ = 137279628. Its totient is φ = 137279626.

The previous prime is 137279599. The next prime is 137279629. The reversal of 137279627 is 726972731.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137279627 is a prime.

Together with 137279629, 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 (137279629) 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, 68639813 + 68639814.

It is an arithmetic number, because the mean of its divisors is an integer number (68639814).

Almost surely, 2^137279627 is an apocalyptic number.

137279627 is a deficient number, since it is larger than the sum of its proper divisors (1).

137279627 is an equidigital number, since it uses as much as digits as its factorization.

137279627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 222264, while the sum is 44.

The square root of 137279627 is about 11716.6388951781. The cubic root of 137279627 is about 515.8641688723.

The spelling of 137279627 in words is "one hundred thirty-seven million, two hundred seventy-nine thousand, six hundred twenty-seven".