38565137 has 8 divisors (see below), whose sum is σ = 42654696. Its totient is φ = 34636032.

The previous prime is 38565119. The next prime is 38565139. The reversal of 38565137 is 73156583.

It can be written as a sum of positive squares in 4 ways, for example, as 5202961 + 33362176 = 2281^2 + 5776^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38565137 - 2⁶ = 38565073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38565137.

It is not an unprimeable number, because it can be changed into a prime (38565139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39608 + ... + 40569.

It is an arithmetic number, because the mean of its divisors is an integer number (5331837).

Almost surely, 2^38565137 is an apocalyptic number.

38565137 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

38565137 is a deficient number, since it is larger than the sum of its proper divisors (4089559).

38565137 is a wasteful number, since it uses less digits than its factorization.

38565137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80227.

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

The square root of 38565137 is about 6210.0834938026. The cubic root of 38565137 is about 337.8559923627.

The spelling of 38565137 in words is "thirty-eight million, five hundred sixty-five thousand, one hundred thirty-seven".