2002738108139 has 2 divisors, whose sum is σ = 2002738108140. Its totient is φ = 2002738108138.

The previous prime is 2002738108121. The next prime is 2002738108201. The reversal of 2002738108139 is 9318018372002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2002738108139 - 2¹⁶ = 2002738042603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2002738108139.

It is not a weakly prime, because it can be changed into another prime (2002738108109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001369054069 + 1001369054070.

It is an arithmetic number, because the mean of its divisors is an integer number (1001369054070).

Almost surely, 2^{2002738108139} is an apocalyptic number.

2002738108139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002738108139 is an equidigital number, since it uses as much as digits as its factorization.

2002738108139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 2002738108139 in words is "two trillion, two billion, seven hundred thirty-eight million, one hundred eight thousand, one hundred thirty-nine".