1381160484 has 192 divisors, whose sum is σ = 4090920960. Its totient is φ = 404157600.

The previous prime is 1381160477. The next prime is 1381160491. The reversal of 1381160484 is 4840611831.

It is a happy number.

1381160484 is a `hidden beast` number, since 1 + 38 + 11 + 604 + 8 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (1381160477) and next prime (1381160491).

It is a super-2 number, since 2×1381160484² = 3815208565126228512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2982837 + ... + 2983299.

It is an arithmetic number, because the mean of its divisors is an integer number (21306880).

Almost surely, 2^1381160484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1381160484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2045460480).

1381160484 is an abundant number, since it is smaller than the sum of its proper divisors (2709760476).

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

1381160484 is a wasteful number, since it uses less digits than its factorization.

1381160484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1381160484 is about 37163.9675492270. The cubic root of 1381160484 is about 1113.6482735372.

The spelling of 1381160484 in words is "one billion, three hundred eighty-one million, one hundred sixty thousand, four hundred eighty-four".