13531136990 has 64 divisors (see below), whose sum is σ = 28838412288. Its totient is φ = 4473187200.

The previous prime is 13531136989. The next prime is 13531137007. The reversal of 13531136990 is 9963113531.

13531136990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 589835 + ... + 612345.

It is an arithmetic number, because the mean of its divisors is an integer number (450600192).

Almost surely, 2^13531136990 is an apocalyptic number.

13531136990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13531136990 is an abundant number, since it is smaller than the sum of its proper divisors (15307275298).

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

13531136990 is a wasteful number, since it uses less digits than its factorization.

13531136990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22833.

The product of its (nonzero) digits is 65610, while the sum is 41.

The spelling of 13531136990 in words is "thirteen billion, five hundred thirty-one million, one hundred thirty-six thousand, nine hundred ninety".