13528075632 has 40 divisors (see below), whose sum is σ = 34953667584. Its totient is φ = 4508566464.

The previous prime is 13528075621. The next prime is 13528075633. The reversal of 13528075632 is 23657082531.

It is a happy number.

It is a super-2 number, since 2×13528075632² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13528075633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293553 + ... + 336495.

Almost surely, 2^13528075632 is an apocalyptic number.

13528075632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13528075632 is an abundant number, since it is smaller than the sum of its proper divisors (21425591952).

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

13528075632 is a wasteful number, since it uses less digits than its factorization.

13528075632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49517 (or 49511 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 13528075632 in words is "thirteen billion, five hundred twenty-eight million, seventy-five thousand, six hundred thirty-two".