2135403552 has 24 divisors (see below), whose sum is σ = 5605434576. Its totient is φ = 711801152.

The previous prime is 2135403539. The next prime is 2135403553. The reversal of 2135403552 is 2553045312.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (2135403553) 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, 11121798 + ... + 11121989.

It is an arithmetic number, because the mean of its divisors is an integer number (233559774).

Almost surely, 2^2135403552 is an apocalyptic number.

It is an amenable number.

2135403552 is an abundant number, since it is smaller than the sum of its proper divisors (3470031024).

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

2135403552 is a wasteful number, since it uses less digits than its factorization.

2135403552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22243800 (or 22243792 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 2135403552 is about 46210.4268753276. The cubic root of 2135403552 is about 1287.7354561300.

Adding to 2135403552 its reverse (2553045312), we get a palindrome (4688448864).

The spelling of 2135403552 in words is "two billion, one hundred thirty-five million, four hundred three thousand, five hundred fifty-two".