134431611560 has 32 divisors (see below), whose sum is σ = 302533660800. Its totient is φ = 53761527360.

The previous prime is 134431611547. The next prime is 134431611599. The reversal of 134431611560 is 65116134431.

It is a self number, because there is not a number n which added to its sum of digits gives 134431611560.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150140 + ... + 539819.

It is an arithmetic number, because the mean of its divisors is an integer number (9454176900).

Almost surely, 2^134431611560 is an apocalyptic number.

134431611560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134431611560 is an abundant number, since it is smaller than the sum of its proper divisors (168102049240).

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

134431611560 is a wasteful number, since it uses less digits than its factorization.

134431611560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694841 (or 694837 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 134431611560 its reverse (65116134431), we get a palindrome (199547745991).

The spelling of 134431611560 in words is "one hundred thirty-four billion, four hundred thirty-one million, six hundred eleven thousand, five hundred sixty".