1326381250 has 48 divisors (see below), whose sum is σ = 2595208896. Its totient is φ = 507430000.

The previous prime is 1326381239. The next prime is 1326381253. The reversal of 1326381250 is 521836231.

It is not an unprimeable number, because it can be changed into a prime (1326381253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139137 + ... + 148363.

It is an arithmetic number, because the mean of its divisors is an integer number (54066852).

Almost surely, 2^1326381250 is an apocalyptic number.

1326381250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1326381250 is a deficient number, since it is larger than the sum of its proper divisors (1268827646).

1326381250 is an frugal number, since it uses more digits than its factorization.

1326381250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9277 (or 9257 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1326381250 is about 36419.5174322780. The cubic root of 1326381250 is about 1098.7261424557.

The spelling of 1326381250 in words is "one billion, three hundred twenty-six million, three hundred eighty-one thousand, two hundred fifty".