1413521320 has 16 divisors (see below), whose sum is σ = 3180423060. Its totient is φ = 565408512.

The previous prime is 1413521269. The next prime is 1413521357. The reversal of 1413521320 is 231253141.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1154504484 + 259016836 = 33978^2 + 16094^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1413521291 and 1413521300.

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 3 ways as a sum of consecutive naturals, for example, 17668977 + ... + 17669056.

Almost surely, 2^1413521320 is an apocalyptic number.

1413521320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1413521320 is an abundant number, since it is smaller than the sum of its proper divisors (1766901740).

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

1413521320 is a wasteful number, since it uses less digits than its factorization.

1413521320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35338044 (or 35338040 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1413521320 is about 37596.8259298574. The cubic root of 1413521320 is about 1122.2788740403.

Adding to 1413521320 its reverse (231253141), we get a palindrome (1644774461).

The spelling of 1413521320 in words is "one billion, four hundred thirteen million, five hundred twenty-one thousand, three hundred twenty".