137648527 has 2 divisors, whose sum is σ = 137648528. Its totient is φ = 137648526.

The previous prime is 137648449. The next prime is 137648531. The reversal of 137648527 is 725846731.

It is a strong prime.

It is an emirp because it is prime and its reverse (725846731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137648527 - 2²³ = 129259919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137648227) 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, 68824263 + 68824264.

It is an arithmetic number, because the mean of its divisors is an integer number (68824264).

Almost surely, 2^137648527 is an apocalyptic number.

137648527 is a deficient number, since it is larger than the sum of its proper divisors (1).

137648527 is an equidigital number, since it uses as much as digits as its factorization.

137648527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 43.

The square root of 137648527 is about 11732.3709027630. The cubic root of 137648527 is about 516.3258350567.

The spelling of 137648527 in words is "one hundred thirty-seven million, six hundred forty-eight thousand, five hundred twenty-seven".