68135367 has 8 divisors (see below), whose sum is σ = 91997440. Its totient is φ = 44848440.

The previous prime is 68135359. The next prime is 68135377. The reversal of 68135367 is 76353186.

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

It is not a de Polignac number, because 68135367 - 2³ = 68135359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68135377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143509 + ... + 143982.

It is an arithmetic number, because the mean of its divisors is an integer number (11499680).

Almost surely, 2^68135367 is an apocalyptic number.

68135367 is a deficient number, since it is larger than the sum of its proper divisors (23862073).

68135367 is a wasteful number, since it uses less digits than its factorization.

68135367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287573.

The product of its digits is 90720, while the sum is 39.

The square root of 68135367 is about 8254.4150004710. The cubic root of 68135367 is about 408.4361744947.

The spelling of 68135367 in words is "sixty-eight million, one hundred thirty-five thousand, three hundred sixty-seven".