13530253500 has 96 divisors (see below), whose sum is σ = 43777930560. Its totient is φ = 3608064000.

The previous prime is 13530253487. The next prime is 13530253567. The reversal of 13530253500 is 535203531.

13530253500 is a `hidden beast` number, since 1 + 3 + 5 + 302 + 5 + 350 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 487621 + ... + 514620.

It is an arithmetic number, because the mean of its divisors is an integer number (456020110).

Almost surely, 2^13530253500 is an apocalyptic number.

13530253500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13530253500 is an abundant number, since it is smaller than the sum of its proper divisors (30247677060).

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

13530253500 is a wasteful number, since it uses less digits than its factorization.

13530253500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002269 (or 1002251 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The spelling of 13530253500 in words is "thirteen billion, five hundred thirty million, two hundred fifty-three thousand, five hundred".