38607139 has 2 divisors, whose sum is σ = 38607140. Its totient is φ = 38607138.

The previous prime is 38607109. The next prime is 38607157. The reversal of 38607139 is 93170683.

It is a strong prime.

It is an emirp because it is prime and its reverse (93170683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38607139 - 2¹³ = 38598947 is a prime.

It is a super-2 number, since 2×38607139² = 2981022363530642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38607098 and 38607107.

It is not a weakly prime, because it can be changed into another prime (38607109) 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 as a sum of consecutive naturals, namely, 19303569 + 19303570.

It is an arithmetic number, because the mean of its divisors is an integer number (19303570).

Almost surely, 2^38607139 is an apocalyptic number.

38607139 is a deficient number, since it is larger than the sum of its proper divisors (1).

38607139 is an equidigital number, since it uses as much as digits as its factorization.

38607139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 38607139 is about 6213.4643315947. The cubic root of 38607139 is about 337.9786029194.

The spelling of 38607139 in words is "thirty-eight million, six hundred seven thousand, one hundred thirty-nine".