134008140 has 144 divisors (see below), whose sum is σ = 459648000. Its totient is φ = 29006208.

The previous prime is 134008111. The next prime is 134008157. The reversal of 134008140 is 41800431.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54661 + ... + 57059.

It is an arithmetic number, because the mean of its divisors is an integer number (3192000).

Almost surely, 2^134008140 is an apocalyptic number.

134008140 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 134008140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229824000).

134008140 is an abundant number, since it is smaller than the sum of its proper divisors (325639860).

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

134008140 is a wasteful number, since it uses less digits than its factorization.

134008140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444 (or 2435 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 134008140 is about 11576.1884919001. The cubic root of 134008140 is about 511.7333562356.

Adding to 134008140 its reverse (41800431), we get a palindrome (175808571).

The spelling of 134008140 in words is "one hundred thirty-four million, eight thousand, one hundred forty".