134206339904 has 112 divisors (see below), whose sum is σ = 334463136000. Its totient is φ = 53092505088.

The previous prime is 134206339831. The next prime is 134206339907. The reversal of 134206339904 is 409933602431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×134206339904² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134206339907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50237 + ... + 520515.

It is an arithmetic number, because the mean of its divisors is an integer number (2986278000).

Almost surely, 2^134206339904 is an apocalyptic number.

134206339904 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 134206339904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167231568000).

134206339904 is an abundant number, since it is smaller than the sum of its proper divisors (200256796096).

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

134206339904 is an equidigital number, since it uses as much as digits as its factorization.

134206339904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470325 (or 470301 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 44.

The spelling of 134206339904 in words is "one hundred thirty-four billion, two hundred six million, three hundred thirty-nine thousand, nine hundred four".