8139680203 has 2 divisors, whose sum is σ = 8139680204. Its totient is φ = 8139680202.

The previous prime is 8139680191. The next prime is 8139680207. The reversal of 8139680203 is 3020869318.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8139680203 - 2¹³ = 8139672011 is a prime.

It is a super-2 number, since 2×8139680203² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8139680207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4069840101 + 4069840102.

It is an arithmetic number, because the mean of its divisors is an integer number (4069840102).

Almost surely, 2^8139680203 is an apocalyptic number.

8139680203 is a deficient number, since it is larger than the sum of its proper divisors (1).

8139680203 is an equidigital number, since it uses as much as digits as its factorization.

8139680203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 8139680203 is about 90220.1762523217. The cubic root of 8139680203 is about 2011.5729214948.

The spelling of 8139680203 in words is "eight billion, one hundred thirty-nine million, six hundred eighty thousand, two hundred three".