7242135442 has 8 divisors (see below), whose sum is σ = 11335516416. Its totient is φ = 3463629972.

The previous prime is 7242135427. The next prime is 7242135457. The reversal of 7242135442 is 2445312427.

It is an interprime number because it is at equal distance from previous prime (7242135427) and next prime (7242135457).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 7242135398 and 7242135407.

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 in 3 ways as a sum of consecutive naturals, for example, 78718818 + ... + 78718909.

It is an arithmetic number, because the mean of its divisors is an integer number (1416939552).

Almost surely, 2^7242135442 is an apocalyptic number.

7242135442 is a deficient number, since it is larger than the sum of its proper divisors (4093380974).

7242135442 is a wasteful number, since it uses less digits than its factorization.

7242135442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157437752.

The product of its digits is 53760, while the sum is 34.

The square root of 7242135442 is about 85100.7370238355. The cubic root of 7242135442 is about 1934.7382341474.

Adding to 7242135442 its reverse (2445312427), we get a palindrome (9687447869).

The spelling of 7242135442 in words is "seven billion, two hundred forty-two million, one hundred thirty-five thousand, four hundred forty-two".