36387780139 has 2 divisors, whose sum is σ = 36387780140. Its totient is φ = 36387780138.

The previous prime is 36387780127. The next prime is 36387780167. The reversal of 36387780139 is 93108778363.

36387780139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36387780139 - 2⁹ = 36387779627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36387780139.

It is not a weakly prime, because it can be changed into another prime (36387780739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18193890069 + 18193890070.

It is an arithmetic number, because the mean of its divisors is an integer number (18193890070).

Almost surely, 2^36387780139 is an apocalyptic number.

36387780139 is a deficient number, since it is larger than the sum of its proper divisors (1).

36387780139 is an equidigital number, since it uses as much as digits as its factorization.

36387780139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 36387780139 in words is "thirty-six billion, three hundred eighty-seven million, seven hundred eighty thousand, one hundred thirty-nine".