134436747680 has 192 divisors, whose sum is σ = 340018560000. Its totient is φ = 50118082560.

The previous prime is 134436747661. The next prime is 134436747691. The reversal of 134436747680 is 86747634431.

It is a happy number.

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, 71775224 + ... + 71777096.

It is an arithmetic number, because the mean of its divisors is an integer number (1770930000).

Almost surely, 2^134436747680 is an apocalyptic number.

134436747680 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 134436747680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170009280000).

134436747680 is an abundant number, since it is smaller than the sum of its proper divisors (205581812320).

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

134436747680 is a wasteful number, since it uses less digits than its factorization.

134436747680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447 (or 2439 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 53.

The spelling of 134436747680 in words is "one hundred thirty-four billion, four hundred thirty-six million, seven hundred forty-seven thousand, six hundred eighty".