1329900145406 has 24 divisors (see below), whose sum is σ = 2457042408576. Its totient is φ = 536430310080.

The previous prime is 1329900145397. The next prime is 1329900145459. The reversal of 1329900145406 is 6045410099231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 399128030 + ... + 399131361.

It is an arithmetic number, because the mean of its divisors is an integer number (102376767024).

Almost surely, 2^{1329900145406} is an apocalyptic number.

1329900145406 is a deficient number, since it is larger than the sum of its proper divisors (1127142263170).

1329900145406 is a wasteful number, since it uses less digits than its factorization.

1329900145406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798259424 (or 798259417 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 1329900145406 in words is "one trillion, three hundred twenty-nine billion, nine hundred million, one hundred forty-five thousand, four hundred six".