1356404355 has 24 divisors (see below), whose sum is σ = 2395465488. Its totient is φ = 709765056.

The previous prime is 1356404333. The next prime is 1356404359. The reversal of 1356404355 is 5534046531.

1356404355 is a `hidden beast` number, since 1 + 3 + 5 + 640 + 4 + 3 + 5 + 5 = 666.

It is not a de Polignac number, because 1356404355 - 2⁹ = 1356403843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1356404359) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 281977 + ... + 286746.

It is an arithmetic number, because the mean of its divisors is an integer number (99811062).

Almost surely, 2^1356404355 is an apocalyptic number.

1356404355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1356404355 is a deficient number, since it is larger than the sum of its proper divisors (1039061133).

1356404355 is a wasteful number, since it uses less digits than its factorization.

1356404355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568787 (or 568784 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 1356404355 is about 36829.3952570498. The cubic root of 1356404355 is about 1106.9543854511.

The spelling of 1356404355 in words is "one billion, three hundred fifty-six million, four hundred four thousand, three hundred fifty-five".