1364036861385 has 64 divisors (see below), whose sum is σ = 2760422492160. Its totient is φ = 632596789440.

The previous prime is 1364036861377. The next prime is 1364036861413. The reversal of 1364036861385 is 5831686304631.

1364036861385 is a `hidden beast` number, since 13 + 6 + 4 + 0 + 3 + 6 + 8 + 613 + 8 + 5 = 666.

It is not a de Polignac number, because 1364036861385 - 2³ = 1364036861377 is a prime.

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, 19934179 + ... + 20002488.

It is an arithmetic number, because the mean of its divisors is an integer number (43131601440).

Almost surely, 2^{1364036861385} is an apocalyptic number.

1364036861385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1364036861385 is an abundant number, since it is smaller than the sum of its proper divisors (1396385630775).

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

1364036861385 is a wasteful number, since it uses less digits than its factorization.

1364036861385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39936715 (or 39936709 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 1364036861385 in words is "one trillion, three hundred sixty-four billion, thirty-six million, eight hundred sixty-one thousand, three hundred eighty-five".