1408521316 has 6 divisors (see below), whose sum is σ = 2464912310. Its totient is φ = 704260656.

The previous prime is 1408521307. The next prime is 1408521353. The reversal of 1408521316 is 6131258041.

It can be written as a sum of positive squares in only one way, i.e., 1285222500 + 123298816 = 35850^2 + 11104^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176065161 + ... + 176065168.

Almost surely, 2^1408521316 is an apocalyptic number.

It is an amenable number.

1408521316 is a deficient number, since it is larger than the sum of its proper divisors (1056390994).

1408521316 is a wasteful number, since it uses less digits than its factorization.

1408521316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352130333 (or 352130331 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1408521316 is about 37530.2719947511. The cubic root of 1408521316 is about 1120.9540435965.

Adding to 1408521316 its reverse (6131258041), we get a palindrome (7539779357).

The spelling of 1408521316 in words is "one billion, four hundred eight million, five hundred twenty-one thousand, three hundred sixteen".