342135251242 has 16 divisors (see below), whose sum is σ = 515317630464. Its totient is φ = 170363250000.

The previous prime is 342135251209. The next prime is 342135251273. The reversal of 342135251242 is 242152531243.

It is a junction number, because it is equal to n+sod(n) for n = 342135251198 and 342135251207.

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 7 ways as a sum of consecutive naturals, for example, 1139992 + ... + 1408492.

It is an arithmetic number, because the mean of its divisors is an integer number (32207351904).

Almost surely, 2^342135251242 is an apocalyptic number.

342135251242 is a deficient number, since it is larger than the sum of its proper divisors (173182379222).

342135251242 is a wasteful number, since it uses less digits than its factorization.

342135251242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271125.

The product of its digits is 57600, while the sum is 34.

Adding to 342135251242 its reverse (242152531243), we get a palindrome (584287782485).

The spelling of 342135251242 in words is "three hundred forty-two billion, one hundred thirty-five million, two hundred fifty-one thousand, two hundred forty-two".