1324135998 has 60 divisors (see below), whose sum is σ = 3073201560. Its totient is φ = 426114864.

The previous prime is 1324135993. The next prime is 1324135999. The reversal of 1324135998 is 8995314231.

It is a happy number.

1324135998 is a `hidden beast` number, since 13 + 2 + 41 + 3 + 599 + 8 = 666.

It is a super-2 number, since 2×1324135998² = 3506672282398912008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324135991) 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 29 ways as a sum of consecutive naturals, for example, 131383 + ... + 141101.

It is an arithmetic number, because the mean of its divisors is an integer number (51220026).

Almost surely, 2^1324135998 is an apocalyptic number.

1324135998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1324135998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1536600780).

1324135998 is an abundant number, since it is smaller than the sum of its proper divisors (1749065562).

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

1324135998 is an equidigital number, since it uses as much as digits as its factorization.

1324135998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9791 (or 9753 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 1324135998 is about 36388.6795308651. The cubic root of 1324135998 is about 1098.1058305230.

The spelling of 1324135998 in words is "one billion, three hundred twenty-four million, one hundred thirty-five thousand, nine hundred ninety-eight".