1329266390 has 16 divisors (see below), whose sum is σ = 2396355408. Its totient is φ = 530889696.

The previous prime is 1329266383. The next prime is 1329266443. The reversal of 1329266390 is 936629231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95252 + ... + 108311.

It is an arithmetic number, because the mean of its divisors is an integer number (149772213).

Almost surely, 2^1329266390 is an apocalyptic number.

1329266390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1329266390 is a deficient number, since it is larger than the sum of its proper divisors (1067089018).

1329266390 is a wasteful number, since it uses less digits than its factorization.

1329266390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204223.

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 1329266390 is about 36459.1057213421. The cubic root of 1329266390 is about 1099.5222139909.

The spelling of 1329266390 in words is "one billion, three hundred twenty-nine million, two hundred sixty-six thousand, three hundred ninety".