134205130000 has 100 divisors (see below), whose sum is σ = 325321463808. Its totient is φ = 53616400000.

The previous prime is 134205129983. The next prime is 134205130009. The reversal of 134205130000 is 31502431.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×134205130000² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 134205130000.

It is not an unprimeable number, because it can be changed into a prime (134205130009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8622225 + ... + 8637775.

Almost surely, 2^134205130000 is an apocalyptic number.

134205130000 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 134205130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162660731904).

134205130000 is an abundant number, since it is smaller than the sum of its proper divisors (191116333808).

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

134205130000 is an equidigital number, since it uses as much as digits as its factorization.

134205130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16442 (or 16421 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 134205130000 its reverse (31502431), we get a palindrome (134236632431).

The spelling of 134205130000 in words is "one hundred thirty-four billion, two hundred five million, one hundred thirty thousand".