1327640192 has 32 divisors (see below), whose sum is σ = 2648384100. Its totient is φ = 662947840.

The previous prime is 1327640191. The next prime is 1327640287. The reversal of 1327640192 is 2910467231.

It can be written as a sum of positive squares in 2 ways, for example, as 1323213376 + 4426816 = 36376^2 + 2104^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (1327640191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97142 + ... + 109962.

Almost surely, 2^1327640192 is an apocalyptic number.

It is an amenable number.

1327640192 is a deficient number, since it is larger than the sum of its proper divisors (1320743908).

1327640192 is an equidigital number, since it uses as much as digits as its factorization.

1327640192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13644 (or 13632 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 1327640192 is about 36436.7972247836. The cubic root of 1327640192 is about 1099.0736531692.

The spelling of 1327640192 in words is "one billion, three hundred twenty-seven million, six hundred forty thousand, one hundred ninety-two".