139423033237 has 2 divisors, whose sum is σ = 139423033238. Its totient is φ = 139423033236.

The previous prime is 139423033187. The next prime is 139423033259. The reversal of 139423033237 is 732330324931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137901565201 + 1521468036 = 371351^2 + 39006^2 .

It is a cyclic number.

It is not a de Polignac number, because 139423033237 - 2¹⁵ = 139423000469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 139423033237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139423034237) 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, 69711516618 + 69711516619.

It is an arithmetic number, because the mean of its divisors is an integer number (69711516619).

Almost surely, 2^139423033237 is an apocalyptic number.

It is an amenable number.

139423033237 is a deficient number, since it is larger than the sum of its proper divisors (1).

139423033237 is an equidigital number, since it uses as much as digits as its factorization.

139423033237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 40.

The spelling of 139423033237 in words is "one hundred thirty-nine billion, four hundred twenty-three million, thirty-three thousand, two hundred thirty-seven".