30135444132 has 12 divisors (see below), whose sum is σ = 70316036336. Its totient is φ = 10045148040.

The previous prime is 30135444121. The next prime is 30135444137. The reversal of 30135444132 is 23144453103.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30135444132.

It is not an unprimeable number, because it can be changed into a prime (30135444137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1255643494 + ... + 1255643517.

Almost surely, 2^30135444132 is an apocalyptic number.

It is an amenable number.

30135444132 is an abundant number, since it is smaller than the sum of its proper divisors (40180592204).

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

30135444132 is a wasteful number, since it uses less digits than its factorization.

30135444132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511287018 (or 2511287016 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 30135444132 its reverse (23144453103), we get a palindrome (53279897235).

The spelling of 30135444132 in words is "thirty billion, one hundred thirty-five million, four hundred forty-four thousand, one hundred thirty-two".