1326132646 has 8 divisors (see below), whose sum is σ = 1993794264. Its totient is φ = 661534560.

The previous prime is 1326132553. The next prime is 1326132653. The reversal of 1326132646 is 6462316231.

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

It is a super-2 number, since 2×1326132646² = 3517255589573922632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 764800 + ... + 766531.

It is an arithmetic number, because the mean of its divisors is an integer number (249224283).

Almost surely, 2^1326132646 is an apocalyptic number.

1326132646 is a deficient number, since it is larger than the sum of its proper divisors (667661618).

1326132646 is a wasteful number, since it uses less digits than its factorization.

1326132646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531766.

The product of its digits is 31104, while the sum is 34.

The square root of 1326132646 is about 36416.1042122850. The cubic root of 1326132646 is about 1098.6574933195.

Adding to 1326132646 its reverse (6462316231), we get a palindrome (7788448877).

The spelling of 1326132646 in words is "one billion, three hundred twenty-six million, one hundred thirty-two thousand, six hundred forty-six".