13196514387640 has 32 divisors (see below), whose sum is σ = 29692640814480. Its totient is φ = 5278519809792.

The previous prime is 13196514387613. The next prime is 13196514387647. The reversal of 13196514387640 is 4678341569131.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13196514387647) 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, 169242 + ... + 5140201.

Almost surely, 2^{13196514387640} is an apocalyptic number.

13196514387640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13196514387640 is an abundant number, since it is smaller than the sum of its proper divisors (16496126426840).

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

13196514387640 is a wasteful number, since it uses less digits than its factorization.

13196514387640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5371591 (or 5371587 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 13196514387640 in words is "thirteen trillion, one hundred ninety-six billion, five hundred fourteen million, three hundred eighty-seven thousand, six hundred forty".