1355013205 has 32 divisors (see below), whose sum is σ = 2047820544. Its totient is φ = 837720576.

The previous prime is 1355013173. The next prime is 1355013217. The reversal of 1355013205 is 5023105531.

It is not a de Polignac number, because 1355013205 - 2⁵ = 1355013173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1355013205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15064 + ... + 54193.

It is an arithmetic number, because the mean of its divisors is an integer number (63994392).

Almost surely, 2^1355013205 is an apocalyptic number.

It is an amenable number.

1355013205 is a deficient number, since it is larger than the sum of its proper divisors (692807339).

1355013205 is a wasteful number, since it uses less digits than its factorization.

1355013205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69325.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 1355013205 is about 36810.5040036129. The cubic root of 1355013205 is about 1106.5758192932.

Adding to 1355013205 its reverse (5023105531), we get a palindrome (6378118736).

The spelling of 1355013205 in words is "one billion, three hundred fifty-five million, thirteen thousand, two hundred five".