1327140198 has 48 divisors (see below), whose sum is σ = 2968932096. Its totient is φ = 428129280.

The previous prime is 1327140187. The next prime is 1327140209. The reversal of 1327140198 is 8910417231.

It is a happy number.

1327140198 is a `hidden beast` number, since 1 + 327 + 140 + 198 = 666.

It is an interprime number because it is at equal distance from previous prime (1327140187) and next prime (1327140209).

It is a super-2 number, since 2×1327140198² = 3522602210294958408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121990 + ... + 132422.

It is an arithmetic number, because the mean of its divisors is an integer number (61852752).

Almost surely, 2^1327140198 is an apocalyptic number.

1327140198 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 1327140198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1484466048).

1327140198 is an abundant number, since it is smaller than the sum of its proper divisors (1641791898).

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

1327140198 is a wasteful number, since it uses less digits than its factorization.

1327140198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10669 (or 10666 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 1327140198 is about 36429.9354652187. The cubic root of 1327140198 is about 1098.9356641681.

The spelling of 1327140198 in words is "one billion, three hundred twenty-seven million, one hundred forty thousand, one hundred ninety-eight".