1471326138 has 12 divisors (see below), whose sum is σ = 3187873338. Its totient is φ = 490442040.

The previous prime is 1471326137. The next prime is 1471326139. The reversal of 1471326138 is 8316231741.

It is a happy number.

1471326138 is a `hidden beast` number, since 1 + 4 + 7 + 1 + 32 + 613 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (1471326137) and next prime (1471326139).

It can be written as a sum of positive squares in only one way, i.e., 1375148889 + 96177249 = 37083^2 + 9807^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1471326137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40870153 + ... + 40870188.

Almost surely, 2^1471326138 is an apocalyptic number.

1471326138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1471326138 is an abundant number, since it is smaller than the sum of its proper divisors (1716547200).

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

1471326138 is a wasteful number, since it uses less digits than its factorization.

1471326138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81740349 (or 81740346 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 1471326138 is about 38357.8693099604. The cubic root of 1471326138 is about 1137.3731808541.

Adding to 1471326138 its reverse (8316231741), we get a palindrome (9787557879).

The spelling of 1471326138 in words is "one billion, four hundred seventy-one million, three hundred twenty-six thousand, one hundred thirty-eight".