7342242139 has 2 divisors, whose sum is σ = 7342242140. Its totient is φ = 7342242138.

The previous prime is 7342242113. The next prime is 7342242161. The reversal of 7342242139 is 9312422437.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7342242139 - 2¹³ = 7342233947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7342242098 and 7342242107.

It is not a weakly prime, because it can be changed into another prime (7342242179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3671121069 + 3671121070.

It is an arithmetic number, because the mean of its divisors is an integer number (3671121070).

Almost surely, 2^7342242139 is an apocalyptic number.

7342242139 is a deficient number, since it is larger than the sum of its proper divisors (1).

7342242139 is an equidigital number, since it uses as much as digits as its factorization.

7342242139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 37.

The square root of 7342242139 is about 85686.8842880869. The cubic root of 7342242139 is about 1943.6119815925.

The spelling of 7342242139 in words is "seven billion, three hundred forty-two million, two hundred forty-two thousand, one hundred thirty-nine".