302135142121340 has 96 divisors (see below), whose sum is σ = 715051548223488. Its totient is φ = 106239953952000.

The previous prime is 302135142121339. The next prime is 302135142121357. The reversal of 302135142121340 is 43121241531203.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 302135142121297 and 302135142121306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8636726 + ... + 26055005.

It is an arithmetic number, because the mean of its divisors is an integer number (7448453627328).

Almost surely, 2^{302135142121340} is an apocalyptic number.

It is an amenable number.

302135142121340 is an abundant number, since it is smaller than the sum of its proper divisors (412916406102148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

302135142121340 is a wasteful number, since it uses less digits than its factorization.

302135142121340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34693059 (or 34693057 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 302135142121340 its reverse (43121241531203), we get a palindrome (345256383652543).

The spelling of 302135142121340 in words is "three hundred two trillion, one hundred thirty-five billion, one hundred forty-two million, one hundred twenty-one thousand, three hundred forty".