207542135532 has 12 divisors (see below), whose sum is σ = 484264982936. Its totient is φ = 69180711840.

The previous prime is 207542135477. The next prime is 207542135557. The reversal of 207542135532 is 235531245702.

207542135532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8647588969 + ... + 8647588992.

Almost surely, 2^207542135532 is an apocalyptic number.

It is an amenable number.

207542135532 is an abundant number, since it is smaller than the sum of its proper divisors (276722847404).

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

207542135532 is a wasteful number, since it uses less digits than its factorization.

207542135532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17295177968 (or 17295177966 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 39.

The spelling of 207542135532 in words is "two hundred seven billion, five hundred forty-two million, one hundred thirty-five thousand, five hundred thirty-two".