134404020512040 has 64 divisors (see below), whose sum is σ = 414109684834560. Its totient is φ = 34872394510080.

The previous prime is 134404020512011. The next prime is 134404020512063. The reversal of 134404020512040 is 40215020404431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 134404020511989 and 134404020512007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15135583456 + ... + 15135592335.

It is an arithmetic number, because the mean of its divisors is an integer number (6470463825540).

Almost surely, 2^{134404020512040} is an apocalyptic number.

134404020512040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134404020512040 is an abundant number, since it is smaller than the sum of its proper divisors (279705664322520).

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

134404020512040 is a wasteful number, since it uses less digits than its factorization.

134404020512040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30271175842 (or 30271175838 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 134404020512040 its reverse (40215020404431), we get a palindrome (174619040916471).

The spelling of 134404020512040 in words is "one hundred thirty-four trillion, four hundred four billion, twenty million, five hundred twelve thousand, forty".