1357321424 has 20 divisors (see below), whose sum is σ = 2634634944. Its totient is φ = 677415648.

The previous prime is 1357321397. The next prime is 1357321447. The reversal of 1357321424 is 4241237531.

It is a congruent number.

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, 68792 + ... + 86295.

Almost surely, 2^1357321424 is an apocalyptic number.

It is an amenable number.

1357321424 is a deficient number, since it is larger than the sum of its proper divisors (1277313520).

1357321424 is a wasteful number, since it uses less digits than its factorization.

1357321424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155642 (or 155636 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 1357321424 is about 36841.8433849339. The cubic root of 1357321424 is about 1107.2038009618.

Adding to 1357321424 its reverse (4241237531), we get a palindrome (5598558955).

The spelling of 1357321424 in words is "one billion, three hundred fifty-seven million, three hundred twenty-one thousand, four hundred twenty-four".