139221519375 has 80 divisors (see below), whose sum is σ = 236649248000. Its totient is φ = 72762624000.

The previous prime is 139221519361. The next prime is 139221519383. The reversal of 139221519375 is 573915122931.

139221519375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 373124²-1.

It is not a de Polignac number, because 139221519375 - 2¹⁴ = 139221502991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 24996591 + ... + 25002159.

It is an arithmetic number, because the mean of its divisors is an integer number (2958115600).

Almost surely, 2^139221519375 is an apocalyptic number.

139221519375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

139221519375 is a deficient number, since it is larger than the sum of its proper divisors (97427728625).

139221519375 is an equidigital number, since it uses as much as digits as its factorization.

139221519375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5858 (or 5843 counting only the distinct ones).

The product of its digits is 510300, while the sum is 48.

The spelling of 139221519375 in words is "one hundred thirty-nine billion, two hundred twenty-one million, five hundred nineteen thousand, three hundred seventy-five".