134563061240 has 96 divisors (see below), whose sum is σ = 327202368480. Its totient is φ = 49709366784.

The previous prime is 134563061207. The next prime is 134563061257. The reversal of 134563061240 is 42160365431.

It is a self number, because there is not a number n which added to its sum of digits gives 134563061240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 686762 + ... + 860678.

It is an arithmetic number, because the mean of its divisors is an integer number (3408358005).

Almost surely, 2^134563061240 is an apocalyptic number.

134563061240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134563061240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163601184240).

134563061240 is an abundant number, since it is smaller than the sum of its proper divisors (192639307240).

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

134563061240 is a wasteful number, since it uses less digits than its factorization.

134563061240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174009 (or 173976 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 134563061240 in words is "one hundred thirty-four billion, five hundred sixty-three million, sixty-one thousand, two hundred forty".