139872227 has 8 divisors (see below), whose sum is σ = 152826672. Its totient is φ = 126957600.

The previous prime is 139872221. The next prime is 139872233. The reversal of 139872227 is 722278931.

139872227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (139872221) and next prime (139872233).

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

It is not a de Polignac number, because 139872227 - 2¹⁰ = 139871203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139872221) 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, 2348 + ... + 16889.

It is an arithmetic number, because the mean of its divisors is an integer number (19103334).

Almost surely, 2^139872227 is an apocalyptic number.

139872227 is a deficient number, since it is larger than the sum of its proper divisors (12954445).

139872227 is a wasteful number, since it uses less digits than its factorization.

139872227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19909.

The product of its digits is 84672, while the sum is 41.

The square root of 139872227 is about 11826.7589389486. The cubic root of 139872227 is about 519.0913953065.

The spelling of 139872227 in words is "one hundred thirty-nine million, eight hundred seventy-two thousand, two hundred twenty-seven".