138707201 has 8 divisors (see below), whose sum is σ = 148763520. Its totient is φ = 128926512.

The previous prime is 138707167. The next prime is 138707221. The reversal of 138707201 is 102707831.

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 138707201 - 2¹⁸ = 138445057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138707221) 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, 67865 + ... + 69878.

It is an arithmetic number, because the mean of its divisors is an integer number (18595440).

Almost surely, 2^138707201 is an apocalyptic number.

It is an amenable number.

138707201 is a deficient number, since it is larger than the sum of its proper divisors (10056319).

138707201 is a wasteful number, since it uses less digits than its factorization.

138707201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137815.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 138707201 is about 11777.4021328984. The cubic root of 138707201 is about 517.6461671799.

The spelling of 138707201 in words is "one hundred thirty-eight million, seven hundred seven thousand, two hundred one".