13438131070 has 128 divisors (see below), whose sum is σ = 31091558400. Its totient is φ = 4067062272.

The previous prime is 13438131067. The next prime is 13438131071. The reversal of 13438131070 is 7013183431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13438131071) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2821351 + ... + 2826109.

It is an arithmetic number, because the mean of its divisors is an integer number (242902800).

Almost surely, 2^13438131070 is an apocalyptic number.

13438131070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13438131070 is an abundant number, since it is smaller than the sum of its proper divisors (17653427330).

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

13438131070 is a wasteful number, since it uses less digits than its factorization.

13438131070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4922.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 13438131070 in words is "thirteen billion, four hundred thirty-eight million, one hundred thirty-one thousand, seventy".