134540012404 has 12 divisors (see below), whose sum is σ = 269080024864. Its totient is φ = 57660005304.

The previous prime is 134540012329. The next prime is 134540012407. The reversal of 134540012404 is 404210045431.

134540012404 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 4805000443 = 134540012404 / (1 + 3 + 4 + 5 + 4 + 0 + 0 + 1 + 2 + 4 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134540012407) 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, 2402500194 + ... + 2402500249.

Almost surely, 2^134540012404 is an apocalyptic number.

134540012404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

134540012404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

134540012404 is a wasteful number, since it uses less digits than its factorization.

134540012404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4805000454 (or 4805000452 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 134540012404 its reverse (404210045431), we get a palindrome (538750057835).

The spelling of 134540012404 in words is "one hundred thirty-four billion, five hundred forty million, twelve thousand, four hundred four".