134798521984 has 256 divisors, whose sum is σ = 323041996800. Its totient is φ = 54814556160.

The previous prime is 134798521937. The next prime is 134798521987. The reversal of 134798521984 is 489125897431.

It is not an unprimeable number, because it can be changed into a prime (134798521987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 705751329 + ... + 705751519.

It is an arithmetic number, because the mean of its divisors is an integer number (1261882800).

Almost surely, 2^134798521984 is an apocalyptic number.

134798521984 is a gapful number since it is divisible by the number (14) 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 134798521984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161520998400).

134798521984 is an abundant number, since it is smaller than the sum of its proper divisors (188243474816).

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

134798521984 is a wasteful number, since it uses less digits than its factorization.

134798521984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 559 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 61.

The spelling of 134798521984 in words is "one hundred thirty-four billion, seven hundred ninety-eight million, five hundred twenty-one thousand, nine hundred eighty-four".