13139743065 has 8 divisors (see below), whose sum is σ = 21023588928. Its totient is φ = 7007862960.

The previous prime is 13139743033. The next prime is 13139743073. The reversal of 13139743065 is 56034793131.

It is a happy number.

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

It is not a de Polignac number, because 13139743065 - 2⁵ = 13139743033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437991421 + ... + 437991450.

It is an arithmetic number, because the mean of its divisors is an integer number (2627948616).

Almost surely, 2^13139743065 is an apocalyptic number.

13139743065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13139743065 is a deficient number, since it is larger than the sum of its proper divisors (7883845863).

13139743065 is an equidigital number, since it uses as much as digits as its factorization.

13139743065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875982879.

The product of its (nonzero) digits is 204120, while the sum is 42.

The spelling of 13139743065 in words is "thirteen billion, one hundred thirty-nine million, seven hundred forty-three thousand, sixty-five".