1356838840524 has 12 divisors (see below), whose sum is σ = 3165957294584. Its totient is φ = 452279613504.

The previous prime is 1356838840519. The next prime is 1356838840529. The reversal of 1356838840524 is 4250488386531.

It is an interprime number because it is at equal distance from previous prime (1356838840519) and next prime (1356838840529).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1356838840529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56534951677 + ... + 56534951700.

Almost surely, 2^{1356838840524} is an apocalyptic number.

It is an amenable number.

1356838840524 is an abundant number, since it is smaller than the sum of its proper divisors (1809118454060).

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

1356838840524 is a wasteful number, since it uses less digits than its factorization.

1356838840524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113069903384 (or 113069903382 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 57.

The spelling of 1356838840524 in words is "one trillion, three hundred fifty-six billion, eight hundred thirty-eight million, eight hundred forty thousand, five hundred twenty-four".