134312131404 has 144 divisors (see below), whose sum is σ = 401728463136. Its totient is φ = 37372108800.

The previous prime is 134312131357. The next prime is 134312131417. The reversal of 134312131404 is 404131213431.

134312131404 is a `hidden beast` number, since 1 + 3 + 43 + 1 + 213 + 1 + 404 = 666.

It is a super-2 number, since 2×134312131404² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32704 + ... + 519320.

It is an arithmetic number, because the mean of its divisors is an integer number (2789780994).

Almost surely, 2^134312131404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134312131404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200864231568).

134312131404 is an abundant number, since it is smaller than the sum of its proper divisors (267416331732).

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

134312131404 is a wasteful number, since it uses less digits than its factorization.

134312131404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486696 (or 486691 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 134312131404 its reverse (404131213431), we get a palindrome (538443344835).

The spelling of 134312131404 in words is "one hundred thirty-four billion, three hundred twelve million, one hundred thirty-one thousand, four hundred four".