1353020405 has 16 divisors (see below), whose sum is σ = 1772107200. Its totient is φ = 983525760.

The previous prime is 1353020399. The next prime is 1353020441. The reversal of 1353020405 is 5040203531.

It is not a de Polignac number, because 1353020405 - 2¹² = 1353016309 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134801 + ... + 144489.

It is an arithmetic number, because the mean of its divisors is an integer number (110756700).

Almost surely, 2^1353020405 is an apocalyptic number.

It is an amenable number.

1353020405 is a deficient number, since it is larger than the sum of its proper divisors (419086795).

1353020405 is a wasteful number, since it uses less digits than its factorization.

1353020405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12244.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 1353020405 is about 36783.4256833156. The cubic root of 1353020405 is about 1106.0330776644.

Adding to 1353020405 its reverse (5040203531), we get a palindrome (6393223936).

The spelling of 1353020405 in words is "one billion, three hundred fifty-three million, twenty thousand, four hundred five".