139748271005 has 16 divisors (see below), whose sum is σ = 191686849920. Its totient is φ = 95811346752.

The previous prime is 139748271001. The next prime is 139748271031. The reversal of 139748271005 is 500172847931.

It is a cyclic number.

It is not a de Polignac number, because 139748271005 - 2² = 139748271001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139748271001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120119 + ... + 542148.

It is an arithmetic number, because the mean of its divisors is an integer number (11980428120).

Almost surely, 2^139748271005 is an apocalyptic number.

It is an amenable number.

139748271005 is a deficient number, since it is larger than the sum of its proper divisors (51938578915).

139748271005 is an equidigital number, since it uses as much as digits as its factorization.

139748271005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668308.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 139748271005 in words is "one hundred thirty-nine billion, seven hundred forty-eight million, two hundred seventy-one thousand, five".