201534140680 has 32 divisors (see below), whose sum is σ = 463099731840. Its totient is φ = 78898471360.

The previous prime is 201534140653. The next prime is 201534140699. The reversal of 201534140680 is 86041435102.

201534140680 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53597626 + ... + 53601385.

It is an arithmetic number, because the mean of its divisors is an integer number (14471866620).

Almost surely, 2^201534140680 is an apocalyptic number.

201534140680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201534140680 is an abundant number, since it is smaller than the sum of its proper divisors (261565591160).

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

201534140680 is a wasteful number, since it uses less digits than its factorization.

201534140680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107199069 (or 107199065 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

Adding to 201534140680 its reverse (86041435102), we get a palindrome (287575575782).

The spelling of 201534140680 in words is "two hundred one billion, five hundred thirty-four million, one hundred forty thousand, six hundred eighty".