134333420172 has 96 divisors (see below), whose sum is σ = 367416870912. Its totient is φ = 37402884096.

The previous prime is 134333420167. The next prime is 134333420173. The reversal of 134333420172 is 271024333431.

It is not an unprimeable number, because it can be changed into a prime (134333420173) 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 31 ways as a sum of consecutive naturals, for example, 846868 + ... + 992900.

It is an arithmetic number, because the mean of its divisors is an integer number (3827259072).

Almost surely, 2^134333420172 is an apocalyptic number.

134333420172 is a gapful number since it is divisible by the number (12) 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 134333420172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183708435456).

134333420172 is an abundant number, since it is smaller than the sum of its proper divisors (233083450740).

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

134333420172 is a wasteful number, since it uses less digits than its factorization.

134333420172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146327 (or 146325 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 33.

The spelling of 134333420172 in words is "one hundred thirty-four billion, three hundred thirty-three million, four hundred twenty thousand, one hundred seventy-two".