201342232134 has 192 divisors, whose sum is σ = 479816663040. Its totient is φ = 60783203520.

The previous prime is 201342232051. The next prime is 201342232141. The reversal of 201342232134 is 431232243102.

201342232134 is a `hidden beast` number, since 20 + 1 + 3 + 422 + 3 + 213 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 201342232098 and 201342232107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 454496917 + ... + 454497359.

It is an arithmetic number, because the mean of its divisors is an integer number (2499045120).

Almost surely, 2^201342232134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201342232134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239908331520).

201342232134 is an abundant number, since it is smaller than the sum of its proper divisors (278474430906).

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

201342232134 is a wasteful number, since it uses less digits than its factorization.

201342232134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927 (or 924 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 201342232134 its reverse (431232243102), we get a palindrome (632574475236).

The spelling of 201342232134 in words is "two hundred one billion, three hundred forty-two million, two hundred thirty-two thousand, one hundred thirty-four".