13500381502 has 4 divisors (see below), whose sum is σ = 20250572256. Its totient is φ = 6750190750.

The previous prime is 13500381497. The next prime is 13500381511. The reversal of 13500381502 is 20518300531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20518300531 = 37 ⋅554548663.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3375095374 + ... + 3375095377.

It is an arithmetic number, because the mean of its divisors is an integer number (5062643064).

Almost surely, 2^13500381502 is an apocalyptic number.

13500381502 is a deficient number, since it is larger than the sum of its proper divisors (6750190754).

13500381502 is an equidigital number, since it uses as much as digits as its factorization.

13500381502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6750190753.

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 13500381502 in words is "thirteen billion, five hundred million, three hundred eighty-one thousand, five hundred two".