134251611560 has 64 divisors (see below), whose sum is σ = 330691394880. Its totient is φ = 48646218240.

The previous prime is 134251611539. The next prime is 134251611569. The reversal of 134251611560 is 65116152431.

It is a self number, because there is not a number n which added to its sum of digits gives 134251611560.

It is not an unprimeable number, because it can be changed into a prime (134251611569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414557 + ... + 663596.

It is an arithmetic number, because the mean of its divisors is an integer number (5167053045).

Almost surely, 2^134251611560 is an apocalyptic number.

134251611560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134251611560 is an abundant number, since it is smaller than the sum of its proper divisors (196439783320).

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

134251611560 is a wasteful number, since it uses less digits than its factorization.

134251611560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078458 (or 1078454 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

Adding to 134251611560 its reverse (65116152431), we get a palindrome (199367763991).

The spelling of 134251611560 in words is "one hundred thirty-four billion, two hundred fifty-one million, six hundred eleven thousand, five hundred sixty".