134404431254540 has 96 divisors (see below), whose sum is σ = 296024617405440. Its totient is φ = 51212205547776.

The previous prime is 134404431254519. The next prime is 134404431254557. The reversal of 134404431254540 is 45452134404431.

It is a super-2 number, since 2×134404431254540² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 134404431254491 and 134404431254500.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1216760 + ... + 16440479.

It is an arithmetic number, because the mean of its divisors is an integer number (3083589764640).

Almost surely, 2^{134404431254540} is an apocalyptic number.

134404431254540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134404431254540 is an abundant number, since it is smaller than the sum of its proper divisors (161620186150900).

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

134404431254540 is a wasteful number, since it uses less digits than its factorization.

134404431254540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17657511 (or 17657509 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 44.

Adding to 134404431254540 its reverse (45452134404431), we get a palindrome (179856565658971).

The spelling of 134404431254540 in words is "one hundred thirty-four trillion, four hundred four billion, four hundred thirty-one million, two hundred fifty-four thousand, five hundred forty".