13490136162678 has 128 divisors (see below), whose sum is σ = 33357198643200. Its totient is φ = 3548909426688.

The previous prime is 13490136162667. The next prime is 13490136162703. The reversal of 13490136162678 is 87626163109431.

It is a congruent number.

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, 80085928 + ... + 80254196.

It is an arithmetic number, because the mean of its divisors is an integer number (260603114400).

Almost surely, 2^{13490136162678} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13490136162678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16678599321600).

13490136162678 is an abundant number, since it is smaller than the sum of its proper divisors (19867062480522).

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

13490136162678 is a wasteful number, since it uses less digits than its factorization.

13490136162678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170734.

The product of its (nonzero) digits is 7838208, while the sum is 57.

The spelling of 13490136162678 in words is "thirteen trillion, four hundred ninety billion, one hundred thirty-six million, one hundred sixty-two thousand, six hundred seventy-eight".