52134140 has 24 divisors (see below), whose sum is σ = 109969440. Its totient is φ = 20760768.

The previous prime is 52134133. The next prime is 52134163. The reversal of 52134140 is 4143125.

52134140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1112 + ... + 10271.

It is an arithmetic number, because the mean of its divisors is an integer number (4582060).

Almost surely, 2^52134140 is an apocalyptic number.

It is an amenable number.

52134140 is an abundant number, since it is smaller than the sum of its proper divisors (57835300).

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

52134140 is a wasteful number, since it uses less digits than its factorization.

52134140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11621 (or 11619 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 52134140 is about 7220.3974959832. The cubic root of 52134140 is about 373.5717882091.

Adding to 52134140 its reverse (4143125), we get a palindrome (56277265).

The spelling of 52134140 in words is "fifty-two million, one hundred thirty-four thousand, one hundred forty".