39142074187 has 2 divisors, whose sum is σ = 39142074188. Its totient is φ = 39142074186.

The previous prime is 39142074157. The next prime is 39142074193. The reversal of 39142074187 is 78147024193.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39142074187 - 2³¹ = 36994590539 is a prime.

It is a super-2 number, since 2×39142074187² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (39142074137) 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, 19571037093 + 19571037094.

It is an arithmetic number, because the mean of its divisors is an integer number (19571037094).

Almost surely, 2^39142074187 is an apocalyptic number.

39142074187 is a deficient number, since it is larger than the sum of its proper divisors (1).

39142074187 is an equidigital number, since it uses as much as digits as its factorization.

39142074187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 39142074187 in words is "thirty-nine billion, one hundred forty-two million, seventy-four thousand, one hundred eighty-seven".