1327531338 has 24 divisors (see below), whose sum is σ = 3287220768. Its totient is φ = 379294632.

The previous prime is 1327531313. The next prime is 1327531379. The reversal of 1327531338 is 8331357231.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5267856 + ... + 5268107.

It is an arithmetic number, because the mean of its divisors is an integer number (136967532).

Almost surely, 2^1327531338 is an apocalyptic number.

1327531338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1327531338 is an abundant number, since it is smaller than the sum of its proper divisors (1959689430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1327531338 is a wasteful number, since it uses less digits than its factorization.

1327531338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10535978 (or 10535975 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 1327531338 is about 36435.3034569496. The cubic root of 1327531338 is about 1099.0436144498.

Adding to 1327531338 its reverse (8331357231), we get a palindrome (9658888569).

The spelling of 1327531338 in words is "one billion, three hundred twenty-seven million, five hundred thirty-one thousand, three hundred thirty-eight".