68135368 has 32 divisors (see below), whose sum is σ = 153691200. Its totient is φ = 27663552.

The previous prime is 68135359. The next prime is 68135377. The reversal of 68135368 is 86353186.

It is an interprime number because it is at equal distance from previous prime (68135359) and next prime (68135377).

It is a self number, because there is not a number n which added to its sum of digits gives 68135368.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30955 + ... + 33082.

It is an arithmetic number, because the mean of its divisors is an integer number (4802850).

Almost surely, 2^68135368 is an apocalyptic number.

It is an amenable number.

68135368 is an abundant number, since it is smaller than the sum of its proper divisors (85555832).

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

68135368 is a wasteful number, since it uses less digits than its factorization.

68135368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64069 (or 64065 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 68135368 is about 8254.4150610446. The cubic root of 68135368 is about 408.4361764928.

The spelling of 68135368 in words is "sixty-eight million, one hundred thirty-five thousand, three hundred sixty-eight".