72201342139 has 2 divisors, whose sum is σ = 72201342140. Its totient is φ = 72201342138.

The previous prime is 72201342121. The next prime is 72201342173. The reversal of 72201342139 is 93124310227.

It is an a-pointer prime, because the next prime (72201342173) can be obtained adding 72201342139 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72201342139 - 2¹⁷ = 72201211067 is a prime.

It is not a weakly prime, because it can be changed into another prime (72201342119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36100671069 + 36100671070.

It is an arithmetic number, because the mean of its divisors is an integer number (36100671070).

Almost surely, 2^72201342139 is an apocalyptic number.

72201342139 is a deficient number, since it is larger than the sum of its proper divisors (1).

72201342139 is an equidigital number, since it uses as much as digits as its factorization.

72201342139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 72201342139 in words is "seventy-two billion, two hundred one million, three hundred forty-two thousand, one hundred thirty-nine".