202134140 has 72 divisors (see below), whose sum is σ = 466079040. Its totient is φ = 73592064.

The previous prime is 202134091. The next prime is 202134151. The reversal of 202134140 is 41431202.

202134140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 266642 + ... + 267398.

It is an arithmetic number, because the mean of its divisors is an integer number (6473320).

Almost surely, 2^202134140 is an apocalyptic number.

202134140 is a gapful number since it is divisible by the number (20) 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 202134140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233039520).

202134140 is an abundant number, since it is smaller than the sum of its proper divisors (263944900).

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

202134140 is a wasteful number, since it uses less digits than its factorization.

202134140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 202134140 is about 14217.3886491156. The cubic root of 202134140 is about 586.8762802680.

Adding to 202134140 its reverse (41431202), we get a palindrome (243565342).

The spelling of 202134140 in words is "two hundred two million, one hundred thirty-four thousand, one hundred forty".