13500381530 has 128 divisors (see below), whose sum is σ = 27596090880. Its totient is φ = 4737131520.

The previous prime is 13500381529. The next prime is 13500381551. The reversal of 13500381530 is 3518300531.

It is a junction number, because it is equal to n+sod(n) for n = 13500381493 and 13500381502.

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 63 ways as a sum of consecutive naturals, for example, 126171737 + ... + 126171843.

It is an arithmetic number, because the mean of its divisors is an integer number (215594460).

Almost surely, 2^13500381530 is an apocalyptic number.

13500381530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13500381530 is an abundant number, since it is smaller than the sum of its proper divisors (14095709350).

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

13500381530 is a wasteful number, since it uses less digits than its factorization.

13500381530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 13500381530 in words is "thirteen billion, five hundred million, three hundred eighty-one thousand, five hundred thirty".