13134014478 has 72 divisors (see below), whose sum is σ = 30897614592. Its totient is φ = 4030326144.

The previous prime is 13134014477. The next prime is 13134014519. The reversal of 13134014478 is 87441043131.

13134014478 is a `hidden beast` number, since 131 + 3 + 40 + 14 + 478 = 666.

It is a super-2 number, since 2×13134014478² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13134014473) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1159450 + ... + 1170722.

It is an arithmetic number, because the mean of its divisors is an integer number (429133536).

Almost surely, 2^13134014478 is an apocalyptic number.

13134014478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13134014478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15448807296).

13134014478 is an abundant number, since it is smaller than the sum of its proper divisors (17763600114).

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

13134014478 is a wasteful number, since it uses less digits than its factorization.

13134014478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11690 (or 11674 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 13134014478 in words is "thirteen billion, one hundred thirty-four million, fourteen thousand, four hundred seventy-eight".