139315915033 has 2 divisors, whose sum is σ = 139315915034. Its totient is φ = 139315915032.

The previous prime is 139315915003. The next prime is 139315915073. The reversal of 139315915033 is 330519513931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138453200649 + 862714384 = 372093^2 + 29372^2 .

It is an emirp because it is prime and its reverse (330519513931) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139315915033 is a prime.

It is not a weakly prime, because it can be changed into another prime (139315915003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69657957516 + 69657957517.

It is an arithmetic number, because the mean of its divisors is an integer number (69657957517).

Almost surely, 2^139315915033 is an apocalyptic number.

It is an amenable number.

139315915033 is a deficient number, since it is larger than the sum of its proper divisors (1).

139315915033 is an equidigital number, since it uses as much as digits as its factorization.

139315915033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 164025, while the sum is 43.

The spelling of 139315915033 in words is "one hundred thirty-nine billion, three hundred fifteen million, nine hundred fifteen thousand, thirty-three".