134305140 has 24 divisors (see below), whose sum is σ = 376054560. Its totient is φ = 35814688.

The previous prime is 134305123. The next prime is 134305141. The reversal of 134305140 is 41503431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134305141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1119150 + ... + 1119269.

It is an arithmetic number, because the mean of its divisors is an integer number (15668940).

Almost surely, 2^134305140 is an apocalyptic number.

134305140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134305140 is an abundant number, since it is smaller than the sum of its proper divisors (241749420).

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

134305140 is a wasteful number, since it uses less digits than its factorization.

134305140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238431 (or 2238429 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 134305140 is about 11589.0094486112. The cubic root of 134305140 is about 512.1111259849. Note that the first 4 decimals are identical.

Adding to 134305140 its reverse (41503431), we get a palindrome (175808571).

The spelling of 134305140 in words is "one hundred thirty-four million, three hundred five thousand, one hundred forty".