67122138 has 8 divisors (see below), whose sum is σ = 134244288. Its totient is φ = 22374044.

The previous prime is 67122131. The next prime is 67122149. The reversal of 67122138 is 83122176.

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

67122138 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (67122131) 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, 5593506 + ... + 5593517.

It is an arithmetic number, because the mean of its divisors is an integer number (16780536).

Almost surely, 2^67122138 is an apocalyptic number.

67122138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

67122138 is a wasteful number, since it uses less digits than its factorization.

67122138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11187028.

The product of its digits is 4032, while the sum is 30.

The square root of 67122138 is about 8192.8101406050. The cubic root of 67122138 is about 406.4014609050.

The spelling of 67122138 in words is "sixty-seven million, one hundred twenty-two thousand, one hundred thirty-eight".