38748137 has 2 divisors, whose sum is σ = 38748138. Its totient is φ = 38748136.

The previous prime is 38748131. The next prime is 38748161. The reversal of 38748137 is 73184783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24790441 + 13957696 = 4979^2 + 3736^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38748137 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 38748094 and 38748103.

It is not a weakly prime, because it can be changed into another prime (38748131) 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, 19374068 + 19374069.

It is an arithmetic number, because the mean of its divisors is an integer number (19374069).

Almost surely, 2^38748137 is an apocalyptic number.

It is an amenable number.

38748137 is a deficient number, since it is larger than the sum of its proper divisors (1).

38748137 is an equidigital number, since it uses as much as digits as its factorization.

38748137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 41.

The square root of 38748137 is about 6224.8001574348. The cubic root of 38748137 is about 338.3895494661.

The spelling of 38748137 in words is "thirty-eight million, seven hundred forty-eight thousand, one hundred thirty-seven".