67138158 has 8 divisors (see below), whose sum is σ = 134276328. Its totient is φ = 22379384.

The previous prime is 67138139. The next prime is 67138171. The reversal of 67138158 is 85183176.

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

67138158 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5594841 + ... + 5594852.

It is an arithmetic number, because the mean of its divisors is an integer number (16784541).

Almost surely, 2^67138158 is an apocalyptic number.

67138158 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.

67138158 is a wasteful number, since it uses less digits than its factorization.

67138158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11189698.

The product of its digits is 40320, while the sum is 39.

The square root of 67138158 is about 8193.7877687917. The cubic root of 67138158 is about 406.4337901966.

The spelling of 67138158 in words is "sixty-seven million, one hundred thirty-eight thousand, one hundred fifty-eight".