139224502913 has 4 divisors (see below), whose sum is σ = 140158895700. Its totient is φ = 138290110128.

The previous prime is 139224502849. The next prime is 139224502933. The reversal of 139224502913 is 319205422931.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 83953903504 + 55270599409 = 289748^2 + 235097^2 .

It is a cyclic number.

It is not a de Polignac number, because 139224502913 - 2⁶ = 139224502849 is a prime.

It is a super-3 number, since 3×139224502913³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139224502933) 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, 467196170 + ... + 467196467.

It is an arithmetic number, because the mean of its divisors is an integer number (35039723925).

Almost surely, 2^139224502913 is an apocalyptic number.

It is an amenable number.

139224502913 is a deficient number, since it is larger than the sum of its proper divisors (934392787).

139224502913 is an equidigital number, since it uses as much as digits as its factorization.

139224502913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934392786.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 139224502913 in words is "one hundred thirty-nine billion, two hundred twenty-four million, five hundred two thousand, nine hundred thirteen".