7140422638 has 4 divisors (see below), whose sum is σ = 10710633960. Its totient is φ = 3570211318.

The previous prime is 7140422629. The next prime is 7140422647. The reversal of 7140422638 is 8362240417.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8362240417 = 139 ⋅60160003.

It is an interprime number because it is at equal distance from previous prime (7140422629) and next prime (7140422647).

It is a junction number, because it is equal to n+sod(n) for n = 7140422597 and 7140422606.

It is a congruent number.

It is an unprimeable number.

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, 1785105658 + ... + 1785105661.

It is an arithmetic number, because the mean of its divisors is an integer number (2677658490).

Almost surely, 2^7140422638 is an apocalyptic number.

7140422638 is a deficient number, since it is larger than the sum of its proper divisors (3570211322).

7140422638 is a wasteful number, since it uses less digits than its factorization.

7140422638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570211321.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 7140422638 is about 84501.0215204526. The cubic root of 7140422638 is about 1925.6379636660.

The spelling of 7140422638 in words is "seven billion, one hundred forty million, four hundred twenty-two thousand, six hundred thirty-eight".