1381084000 has 48 divisors (see below), whose sum is σ = 3393333216. Its totient is φ = 552432000.

The previous prime is 1381083983. The next prime is 1381084031. The reversal of 1381084000 is 4801831.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 7 ways as a sum of consecutive naturals, for example, 168636 + ... + 176635.

It is an arithmetic number, because the mean of its divisors is an integer number (70694442).

Almost surely, 2^1381084000 is an apocalyptic number.

1381084000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1381084000 is an abundant number, since it is smaller than the sum of its proper divisors (2012249216).

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

1381084000 is an equidigital number, since it uses as much as digits as its factorization.

1381084000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345296 (or 345278 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 1381084000 is about 37162.9385275169. The cubic root of 1381084000 is about 1113.6277164651.

Adding to 1381084000 its reverse (4801831), we get a palindrome (1385885831).

The spelling of 1381084000 in words is "one billion, three hundred eighty-one million, eighty-four thousand".