7135421542 has 4 divisors (see below), whose sum is σ = 10703132316. Its totient is φ = 3567710770.

The previous prime is 7135421533. The next prime is 7135421561. The reversal of 7135421542 is 2451245317.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 7135421498 and 7135421507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1783855384 + ... + 1783855387.

It is an arithmetic number, because the mean of its divisors is an integer number (2675783079).

Almost surely, 2^7135421542 is an apocalyptic number.

7135421542 is a deficient number, since it is larger than the sum of its proper divisors (3567710774).

7135421542 is a wasteful number, since it uses less digits than its factorization.

7135421542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3567710773.

The product of its digits is 33600, while the sum is 34.

The square root of 7135421542 is about 84471.4244108622. The cubic root of 7135421542 is about 1925.1882914262.

Adding to 7135421542 its reverse (2451245317), we get a palindrome (9586666859).

The spelling of 7135421542 in words is "seven billion, one hundred thirty-five million, four hundred twenty-one thousand, five hundred forty-two".