1383298140 has 96 divisors (see below), whose sum is σ = 4468068864. Its totient is φ = 313217280.

The previous prime is 1383298127. The next prime is 1383298157. The reversal of 1383298140 is 418923831.

1383298140 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29550 + ... + 60330.

It is an arithmetic number, because the mean of its divisors is an integer number (46542384).

Almost surely, 2^1383298140 is an apocalyptic number.

1383298140 is a gapful number since it is divisible by the number (10) 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 1383298140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2234034432).

1383298140 is an abundant number, since it is smaller than the sum of its proper divisors (3084770724).

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

1383298140 is a wasteful number, since it uses less digits than its factorization.

1383298140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30907 (or 30905 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 1383298140 is about 37192.7162224003. The cubic root of 1383298140 is about 1114.2225176425. Note that the first 3 decimals are identical.

The spelling of 1383298140 in words is "one billion, three hundred eighty-three million, two hundred ninety-eight thousand, one hundred forty".