138901067 has 8 divisors (see below), whose sum is σ = 147239856. Its totient is φ = 130580992.

The previous prime is 138901057. The next prime is 138901093. The reversal of 138901067 is 760109831.

138901067 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 138901067 - 2¹⁰ = 138900043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138901057) 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, 12428 + ... + 20790.

It is an arithmetic number, because the mean of its divisors is an integer number (18404982).

Almost surely, 2^138901067 is an apocalyptic number.

138901067 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

138901067 is a deficient number, since it is larger than the sum of its proper divisors (8338789).

138901067 is an equidigital number, since it uses as much as digits as its factorization.

138901067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9357.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 138901067 is about 11785.6296819474. The cubic root of 138901067 is about 517.8872199724.

The spelling of 138901067 in words is "one hundred thirty-eight million, nine hundred one thousand, sixty-seven".