13064918940 has 72 divisors (see below), whose sum is σ = 39658692528. Its totient is φ = 3481478400.

The previous prime is 13064918921. The next prime is 13064918981. The reversal of 13064918940 is 4981946031.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 232615 + ... + 283265.

It is an arithmetic number, because the mean of its divisors is an integer number (550815174).

Almost surely, 2^13064918940 is an apocalyptic number.

13064918940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13064918940 is an abundant number, since it is smaller than the sum of its proper divisors (26593773588).

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

13064918940 is a wasteful number, since it uses less digits than its factorization.

13064918940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52099 (or 52094 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 13064918940 in words is "thirteen billion, sixty-four million, nine hundred eighteen thousand, nine hundred forty".