134396411520 has 512 divisors, whose sum is σ = 519602688000. Its totient is φ = 28881616896.

The previous prime is 134396411519. The next prime is 134396411531. The reversal of 134396411520 is 25114693431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18234396 + ... + 18241764.

It is an arithmetic number, because the mean of its divisors is an integer number (1014849000).

Almost surely, 2^134396411520 is an apocalyptic number.

134396411520 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 134396411520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259801344000).

134396411520 is an abundant number, since it is smaller than the sum of its proper divisors (385206276480).

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

134396411520 is a wasteful number, since it uses less digits than its factorization.

134396411520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7480 (or 7468 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 134396411520 in words is "one hundred thirty-four billion, three hundred ninety-six million, four hundred eleven thousand, five hundred twenty".