39140147 has 2 divisors, whose sum is σ = 39140148. Its totient is φ = 39140146.

The previous prime is 39140141. The next prime is 39140159. The reversal of 39140147 is 74104193.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39140147 - 2⁴ = 39140131 is a prime.

It is a super-2 number, since 2×39140147² = 3063902214363218, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (39140141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19570073 + 19570074.

It is an arithmetic number, because the mean of its divisors is an integer number (19570074).

Almost surely, 2^39140147 is an apocalyptic number.

39140147 is a deficient number, since it is larger than the sum of its proper divisors (1).

39140147 is an equidigital number, since it uses as much as digits as its factorization.

39140147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 39140147 is about 6256.2086761872. The cubic root of 39140147 is about 339.5268707543.

The spelling of 39140147 in words is "thirty-nine million, one hundred forty thousand, one hundred forty-seven".