1354939881652 has 12 divisors (see below), whose sum is σ = 2709879763360. Its totient is φ = 580688520696.

The previous prime is 1354939881641. The next prime is 1354939881661. The reversal of 1354939881652 is 2561889394531.

1354939881652 is an admirable number.

It is a super-2 number, since 2×1354939881652² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 24195355002 + ... + 24195355057.

Almost surely, 2^{1354939881652} is an apocalyptic number.

It is an amenable number.

1354939881652 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1354939881652 is a wasteful number, since it uses less digits than its factorization.

1354939881652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48390710070 (or 48390710068 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 64.

The spelling of 1354939881652 in words is "one trillion, three hundred fifty-four billion, nine hundred thirty-nine million, eight hundred eighty-one thousand, six hundred fifty-two".