137884847 has 2 divisors, whose sum is σ = 137884848. Its totient is φ = 137884846.

The previous prime is 137884823. The next prime is 137884871. The reversal of 137884847 is 748488731.

It is a balanced prime because it is at equal distance from previous prime (137884823) and next prime (137884871).

It is an emirp because it is prime and its reverse (748488731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137884847 - 2²⁶ = 70775983 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 137884795 and 137884804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137881847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68942423 + 68942424.

It is an arithmetic number, because the mean of its divisors is an integer number (68942424).

Almost surely, 2^137884847 is an apocalyptic number.

137884847 is a deficient number, since it is larger than the sum of its proper divisors (1).

137884847 is an equidigital number, since it uses as much as digits as its factorization.

137884847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1204224, while the sum is 50.

The square root of 137884847 is about 11742.4378644300. The cubic root of 137884847 is about 516.6211484469.

The spelling of 137884847 in words is "one hundred thirty-seven million, eight hundred eighty-four thousand, eight hundred forty-seven".