13149703438 has 8 divisors (see below), whose sum is σ = 19726247160. Its totient is φ = 6574287720.

The previous prime is 13149703433. The next prime is 13149703447. The reversal of 13149703438 is 83430794131.

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

It is a junction number, because it is equal to n+sod(n) for n = 13149703394 and 13149703403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13149703433) 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, 252228 + ... + 299863.

It is an arithmetic number, because the mean of its divisors is an integer number (2465780895).

Almost surely, 2^13149703438 is an apocalyptic number.

13149703438 is a deficient number, since it is larger than the sum of its proper divisors (6576543722).

13149703438 is a wasteful number, since it uses less digits than its factorization.

13149703438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564002.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 13149703438 in words is "thirteen billion, one hundred forty-nine million, seven hundred three thousand, four hundred thirty-eight".