139051944207 has 24 divisors (see below), whose sum is σ = 221752073088. Its totient is φ = 83258552400.

The previous prime is 139051944191. The next prime is 139051944281. The reversal of 139051944207 is 702449150931.

139051944207 is a `hidden beast` number, since 1 + 3 + 90 + 51 + 94 + 420 + 7 = 666.

It is not a de Polignac number, because 139051944207 - 2⁴ = 139051944191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139051944287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8453019 + ... + 8469452.

It is an arithmetic number, because the mean of its divisors is an integer number (9239669712).

Almost surely, 2^139051944207 is an apocalyptic number.

139051944207 is a deficient number, since it is larger than the sum of its proper divisors (82700128881).

139051944207 is a wasteful number, since it uses less digits than its factorization.

139051944207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16922571 (or 16922568 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 139051944207 in words is "one hundred thirty-nine billion, fifty-one million, nine hundred forty-four thousand, two hundred seven".