1352909408 has 12 divisors (see below), whose sum is σ = 2663540460. Its totient is φ = 676454688.

The previous prime is 1352909339. The next prime is 1352909449. The reversal of 1352909408 is 8049092531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21139178 + ... + 21139241.

It is an arithmetic number, because the mean of its divisors is an integer number (221961705).

Almost surely, 2^1352909408 is an apocalyptic number.

It is an amenable number.

1352909408 is a deficient number, since it is larger than the sum of its proper divisors (1310631052).

1352909408 is an equidigital number, since it uses as much as digits as its factorization.

1352909408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42278429 (or 42278421 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 1352909408 is about 36781.9168614144. The cubic root of 1352909408 is about 1106.0028318257.

The spelling of 1352909408 in words is "one billion, three hundred fifty-two million, nine hundred nine thousand, four hundred eight".