13138711834340 has 48 divisors (see below), whose sum is σ = 29238045306624. Its totient is φ = 4942320268800.

The previous prime is 13138711834337. The next prime is 13138711834361. The reversal of 13138711834340 is 4343811783131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15277346 + ... + 16114425.

It is an arithmetic number, because the mean of its divisors is an integer number (609125943888).

Almost surely, 2^{13138711834340} is an apocalyptic number.

13138711834340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13138711834340 is an abundant number, since it is smaller than the sum of its proper divisors (16099333472284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13138711834340 is a wasteful number, since it uses less digits than its factorization.

13138711834340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31393028 (or 31393026 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 13138711834340 in words is "thirteen trillion, one hundred thirty-eight billion, seven hundred eleven million, eight hundred thirty-four thousand, three hundred forty".