13501505136 has 160 divisors (see below), whose sum is σ = 40338830848. Its totient is φ = 3811691520.

The previous prime is 13501505099. The next prime is 13501505167. The reversal of 13501505136 is 63150510531.

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, 11130066 + ... + 11131278.

Almost surely, 2^13501505136 is an apocalyptic number.

13501505136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13501505136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20169415424).

13501505136 is an abundant number, since it is smaller than the sum of its proper divisors (26837325712).

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

13501505136 is a wasteful number, since it uses less digits than its factorization.

13501505136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599 (or 1593 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 30.

The spelling of 13501505136 in words is "thirteen billion, five hundred one million, five hundred five thousand, one hundred thirty-six".