134304031440540 has 72 divisors (see below), whose sum is σ = 438726502713408. Its totient is φ = 33059453892480.

The previous prime is 134304031440493. The next prime is 134304031440541. The reversal of 134304031440540 is 45044130403431.

134304031440540 is a `hidden beast` number, since 1 + 3 + 4 + 3 + 0 + 40 + 31 + 4 + 40 + 540 = 666.

It is a super-2 number, since 2×134304031440540² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 134304031440495 and 134304031440504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134304031440541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28697440276 + ... + 28697444955.

Almost surely, 2^{134304031440540} is an apocalyptic number.

134304031440540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134304031440540 is an abundant number, since it is smaller than the sum of its proper divisors (304422471272868).

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

134304031440540 is a wasteful number, since it uses less digits than its factorization.

134304031440540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57394885259 (or 57394885254 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 134304031440540 its reverse (45044130403431), we get a palindrome (179348161843971).

The spelling of 134304031440540 in words is "one hundred thirty-four trillion, three hundred four billion, thirty-one million, four hundred forty thousand, five hundred forty".