1354432321 has 8 divisors (see below), whose sum is σ = 1492193088. Its totient is φ = 1219110000.

The previous prime is 1354432307. The next prime is 1354432367. The reversal of 1354432321 is 1232344531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1354432321 - 2⁷ = 1354432193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1354432321.

It is not an unprimeable number, because it can be changed into a prime (1354432301) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 608445 + ... + 610666.

It is an arithmetic number, because the mean of its divisors is an integer number (186524136).

Almost surely, 2^1354432321 is an apocalyptic number.

1354432321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1354432321 is a deficient number, since it is larger than the sum of its proper divisors (137760767).

1354432321 is a wasteful number, since it uses less digits than its factorization.

1354432321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219223.

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

The square root of 1354432321 is about 36802.6129642992. The cubic root of 1354432321 is about 1106.4176697733.

Adding to 1354432321 its reverse (1232344531), we get a palindrome (2586776852).

The spelling of 1354432321 in words is "one billion, three hundred fifty-four million, four hundred thirty-two thousand, three hundred twenty-one".