139672201 has 4 divisors (see below), whose sum is σ = 139784400. Its totient is φ = 139560004.

The previous prime is 139672189. The next prime is 139672217. The reversal of 139672201 is 102276931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 139672201 - 2⁷ = 139672073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139672241) 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, 54211 + ... + 56728.

It is an arithmetic number, because the mean of its divisors is an integer number (34946100).

Almost surely, 2^139672201 is an apocalyptic number.

It is an amenable number.

139672201 is a deficient number, since it is larger than the sum of its proper divisors (112199).

139672201 is a wasteful number, since it uses less digits than its factorization.

139672201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112198.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 139672201 is about 11818.2994123520. The cubic root of 139672201 is about 518.8438329125.

The spelling of 139672201 in words is "one hundred thirty-nine million, six hundred seventy-two thousand, two hundred one".