1398119981148 has 180 divisors, whose sum is σ = 4053002738400. Its totient is φ = 419922074880.

The previous prime is 1398119981131. The next prime is 1398119981189. The reversal of 1398119981148 is 8411899118931.

1398119981148 is a `hidden beast` number, since 1 + 398 + 1 + 19 + 98 + 1 + 148 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 4272253 + ... + 4587851.

It is an arithmetic number, because the mean of its divisors is an integer number (22516681880).

Almost surely, 2^{1398119981148} is an apocalyptic number.

1398119981148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1398119981148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2026501369200).

1398119981148 is an abundant number, since it is smaller than the sum of its proper divisors (2654882757252).

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

1398119981148 is a wasteful number, since it uses less digits than its factorization.

1398119981148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315750 (or 315728 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 63.

The spelling of 1398119981148 in words is "one trillion, three hundred ninety-eight billion, one hundred nineteen million, nine hundred eighty-one thousand, one hundred forty-eight".