1356420304 has 20 divisors (see below), whose sum is σ = 2654087940. Its totient is φ = 671494400.

The previous prime is 1356420301. The next prime is 1356420319. The reversal of 1356420304 is 4030246531.

It can be written as a sum of positive squares in 2 ways, for example, as 630010000 + 726410304 = 25100^2 + 26952^2 .

It is a super-2 number, since 2×1356420304² = 3679752082206904832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356420301) 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 3 ways as a sum of consecutive naturals, for example, 418069 + ... + 421300.

It is an arithmetic number, because the mean of its divisors is an integer number (132704397).

Almost surely, 2^1356420304 is an apocalyptic number.

It is an amenable number.

1356420304 is a deficient number, since it is larger than the sum of its proper divisors (1297667636).

1356420304 is a wasteful number, since it uses less digits than its factorization.

1356420304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839478 (or 839472 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1356420304 is about 36829.6117818258. The cubic root of 1356420304 is about 1106.9587240655.

Adding to 1356420304 its reverse (4030246531), we get a palindrome (5386666835).

The spelling of 1356420304 in words is "one billion, three hundred fifty-six million, four hundred twenty thousand, three hundred four".