38655137 has 2 divisors, whose sum is σ = 38655138. Its totient is φ = 38655136.

The previous prime is 38655131. The next prime is 38655191. The reversal of 38655137 is 73155683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33744481 + 4910656 = 5809^2 + 2216^2 .

It is a cyclic number.

It is not a de Polignac number, because 38655137 - 2¹⁴ = 38638753 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38655137.

It is not a weakly prime, because it can be changed into another prime (38655131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19327568 + 19327569.

It is an arithmetic number, because the mean of its divisors is an integer number (19327569).

Almost surely, 2^38655137 is an apocalyptic number.

It is an amenable number.

38655137 is a deficient number, since it is larger than the sum of its proper divisors (1).

38655137 is an equidigital number, since it uses as much as digits as its factorization.

38655137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 38.

The square root of 38655137 is about 6217.3255504276. The cubic root of 38655137 is about 338.1186079314.

The spelling of 38655137 in words is "thirty-eight million, six hundred fifty-five thousand, one hundred thirty-seven".