13145653340 has 24 divisors (see below), whose sum is σ = 27775240080. Its totient is φ = 5226000768.

The previous prime is 13145653333. The next prime is 13145653343. The reversal of 13145653340 is 4335654131.

It is a self number, because there is not a number n which added to its sum of digits gives 13145653340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13145653343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2012945 + ... + 2019464.

It is an arithmetic number, because the mean of its divisors is an integer number (1157301670).

Almost surely, 2^13145653340 is an apocalyptic number.

13145653340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13145653340 is an abundant number, since it is smaller than the sum of its proper divisors (14629586740).

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

13145653340 is a wasteful number, since it uses less digits than its factorization.

13145653340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4032581 (or 4032579 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 13145653340 in words is "thirteen billion, one hundred forty-five million, six hundred fifty-three thousand, three hundred forty".