134430520000 has 420 divisors, whose sum is σ = 392002100424. Its totient is φ = 45588480000.

The previous prime is 134430519983. The next prime is 134430520001. The reversal of 134430520000 is 25034431.

It is not an unprimeable number, because it can be changed into a prime (134430520001) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 209719680 + ... + 209720320.

Almost surely, 2^134430520000 is an apocalyptic number.

134430520000 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 134430520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196001050212).

134430520000 is an abundant number, since it is smaller than the sum of its proper divisors (257571580424).

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

134430520000 is an equidigital number, since it uses as much as digits as its factorization.

134430520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 134430520000 its reverse (25034431), we get a palindrome (134455554431).

The spelling of 134430520000 in words is "one hundred thirty-four billion, four hundred thirty million, five hundred twenty thousand".