1356205424 has 40 divisors (see below), whose sum is σ = 3047864448. Its totient is φ = 572552640.

The previous prime is 1356205397. The next prime is 1356205439. The reversal of 1356205424 is 4245026531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82862 + ... + 97869.

Almost surely, 2^1356205424 is an apocalyptic number.

1356205424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1356205424 is an abundant number, since it is smaller than the sum of its proper divisors (1691659024).

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

1356205424 is a wasteful number, since it uses less digits than its factorization.

1356205424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180813 (or 180807 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 1356205424 is about 36826.6944484568. The cubic root of 1356205424 is about 1106.9002672948.

The spelling of 1356205424 in words is "one billion, three hundred fifty-six million, two hundred five thousand, four hundred twenty-four".