68267135 has 4 divisors (see below), whose sum is σ = 81920568. Its totient is φ = 54613704.

The previous prime is 68267099. The next prime is 68267137. The reversal of 68267135 is 53176286.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53176286 = 2 ⋅26588143.

It is a cyclic number.

It is not a de Polignac number, because 68267135 - 2⁸ = 68266879 is a prime.

It is a super-2 number, since 2×68267135² = 9320803442216450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68267137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6826709 + ... + 6826718.

It is an arithmetic number, because the mean of its divisors is an integer number (20480142).

Almost surely, 2^68267135 is an apocalyptic number.

68267135 is a deficient number, since it is larger than the sum of its proper divisors (13653433).

68267135 is a wasteful number, since it uses less digits than its factorization.

68267135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13653432.

The product of its digits is 60480, while the sum is 38.

The square root of 68267135 is about 8262.3928132231. The cubic root of 68267135 is about 408.6992985459.

The spelling of 68267135 in words is "sixty-eight million, two hundred sixty-seven thousand, one hundred thirty-five".