134305512 has 64 divisors (see below), whose sum is σ = 374837760. Its totient is φ = 39748800.

The previous prime is 134305499. The next prime is 134305519. The reversal of 134305512 is 215503431.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (134305519) 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, 5437 + ... + 17267.

It is an arithmetic number, because the mean of its divisors is an integer number (5856840).

Almost surely, 2^134305512 is an apocalyptic number.

134305512 is a gapful number since it is divisible by the number (12) 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 134305512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187418880).

134305512 is an abundant number, since it is smaller than the sum of its proper divisors (240532248).

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

134305512 is a wasteful number, since it uses less digits than its factorization.

134305512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11894 (or 11890 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 134305512 is about 11589.0254982893. The cubic root of 134305512 is about 512.1115988017. Note that the first 3 decimals are identical.

Adding to 134305512 its reverse (215503431), we get a palindrome (349808943).

The spelling of 134305512 in words is "one hundred thirty-four million, three hundred five thousand, five hundred twelve".