138335001 has 16 divisors (see below), whose sum is σ = 223196544. Its totient is φ = 74398464.

The previous prime is 138334993. The next prime is 138335023. The reversal of 138335001 is 100533831.

138335001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 138335001 - 2³ = 138334993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (138335081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193390 + ... + 194103.

It is an arithmetic number, because the mean of its divisors is an integer number (13949784).

Almost surely, 2^138335001 is an apocalyptic number.

It is an amenable number.

138335001 is a deficient number, since it is larger than the sum of its proper divisors (84861543).

138335001 is a wasteful number, since it uses less digits than its factorization.

138335001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387520.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 138335001 is about 11761.5900710746. The cubic root of 138335001 is about 517.1827437690.

Adding to 138335001 its reverse (100533831), we get a palindrome (238868832).

The spelling of 138335001 in words is "one hundred thirty-eight million, three hundred thirty-five thousand, one".