139346201 has 4 divisors (see below), whose sum is σ = 139383504. Its totient is φ = 139308900.

The previous prime is 139346191. The next prime is 139346203. The reversal of 139346201 is 102643931.

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 139346201 - 2²² = 135151897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139346203) 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, 12335 + ... + 20756.

It is an arithmetic number, because the mean of its divisors is an integer number (34845876).

Almost surely, 2^139346201 is an apocalyptic number.

It is an amenable number.

139346201 is a deficient number, since it is larger than the sum of its proper divisors (37303).

139346201 is an equidigital number, since it uses as much as digits as its factorization.

139346201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37302.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 139346201 is about 11804.4991846330. The cubic root of 139346201 is about 518.4398516512.

The spelling of 139346201 in words is "one hundred thirty-nine million, three hundred forty-six thousand, two hundred one".