134315521420 has 12 divisors (see below), whose sum is σ = 282062595024. Its totient is φ = 53726208560.

The previous prime is 134315521363. The next prime is 134315521423. The reversal of 134315521420 is 24125513431.

It is not an unprimeable number, because it can be changed into a prime (134315521423) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3357888016 + ... + 3357888055.

It is an arithmetic number, because the mean of its divisors is an integer number (23505216252).

Almost surely, 2^134315521420 is an apocalyptic number.

134315521420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134315521420 is an abundant number, since it is smaller than the sum of its proper divisors (147747073604).

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

134315521420 is a wasteful number, since it uses less digits than its factorization.

134315521420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6715776080 (or 6715776078 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 134315521420 in words is "one hundred thirty-four billion, three hundred fifteen million, five hundred twenty-one thousand, four hundred twenty".