13519640261380 has 192 divisors, whose sum is σ = 32031349523712. Its totient is φ = 4750072104960.

The previous prime is 13519640261357. The next prime is 13519640261419. The reversal of 13519640261380 is 8316204691531.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 877150554 + ... + 877165966.

It is an arithmetic number, because the mean of its divisors is an integer number (166829945436).

Almost surely, 2^{13519640261380} is an apocalyptic number.

13519640261380 is a gapful number since it is divisible by the number (10) 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 13519640261380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16015674761856).

13519640261380 is an abundant number, since it is smaller than the sum of its proper divisors (18511709262332).

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

13519640261380 is a wasteful number, since it uses less digits than its factorization.

13519640261380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16214 (or 16212 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 13519640261380 in words is "thirteen trillion, five hundred nineteen billion, six hundred forty million, two hundred sixty-one thousand, three hundred eighty".