1343687559138 has 40 divisors (see below), whose sum is σ = 3010988471040. Its totient is φ = 447876065880.

The previous prime is 1343687559121. The next prime is 1343687559197. The reversal of 1343687559138 is 8319557863431.

1343687559138 is a `hidden beast` number, since 1 + 3 + 4 + 3 + 6 + 8 + 7 + 5 + 591 + 38 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3755623 + ... + 4097813.

It is an arithmetic number, because the mean of its divisors is an integer number (75274711776).

Almost surely, 2^{1343687559138} is an apocalyptic number.

1343687559138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1343687559138 is an abundant number, since it is smaller than the sum of its proper divisors (1667300911902).

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

1343687559138 is a wasteful number, since it uses less digits than its factorization.

1343687559138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366444 (or 366435 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 63.

The spelling of 1343687559138 in words is "one trillion, three hundred forty-three billion, six hundred eighty-seven million, five hundred fifty-nine thousand, one hundred thirty-eight".