134134121000 has 128 divisors (see below), whose sum is σ = 344710080000. Its totient is φ = 48448096000.

The previous prime is 134134120979. The next prime is 134134121041. The reversal of 134134121000 is 121431431.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1598081 + ... + 1679919.

It is an arithmetic number, because the mean of its divisors is an integer number (2693047500).

Almost surely, 2^134134121000 is an apocalyptic number.

134134121000 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 134134121000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172355040000).

134134121000 is an abundant number, since it is smaller than the sum of its proper divisors (210575959000).

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

134134121000 is a wasteful number, since it uses less digits than its factorization.

134134121000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82020 (or 82006 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 134134121000 its reverse (121431431), we get a palindrome (134255552431).

The spelling of 134134121000 in words is "one hundred thirty-four billion, one hundred thirty-four million, one hundred twenty-one thousand".