134509800 has 192 divisors, whose sum is σ = 439346880. Its totient is φ = 34007040.

The previous prime is 134509799. The next prime is 134509811. The reversal of 134509800 is 8905431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1620559 + ... + 1620641.

It is an arithmetic number, because the mean of its divisors is an integer number (2288265).

Almost surely, 2^134509800 is an apocalyptic number.

134509800 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 134509800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219673440).

134509800 is an abundant number, since it is smaller than the sum of its proper divisors (304837080).

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

134509800 is a wasteful number, since it uses less digits than its factorization.

134509800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 134509800 is about 11597.8360050485. The cubic root of 134509800 is about 512.3711196847.

The spelling of 134509800 in words is "one hundred thirty-four million, five hundred nine thousand, eight hundred".