68267138 has 16 divisors (see below), whose sum is σ = 108739584. Its totient is φ = 32032320.

The previous prime is 68267137. The next prime is 68267153. The reversal of 68267138 is 83176286.

It is a happy number.

It is a super-2 number, since 2×68267138² = 9320804261422088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68267095 and 68267104.

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 7 ways as a sum of consecutive naturals, for example, 9743 + ... + 15213.

It is an arithmetic number, because the mean of its divisors is an integer number (6796224).

Almost surely, 2^68267138 is an apocalyptic number.

68267138 is a deficient number, since it is larger than the sum of its proper divisors (40472446).

68267138 is a wasteful number, since it uses less digits than its factorization.

68267138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5857.

The product of its digits is 96768, while the sum is 41.

The square root of 68267138 is about 8262.3929947685. The cubic root of 68267138 is about 408.6993045327.

The spelling of 68267138 in words is "sixty-eight million, two hundred sixty-seven thousand, one hundred thirty-eight".