1381327000 has 32 divisors (see below), whose sum is σ = 3232307520. Its totient is φ = 552530400.

The previous prime is 1381326979. The next prime is 1381327091. The reversal of 1381327000 is 7231831.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689664 + ... + 691663.

It is an arithmetic number, because the mean of its divisors is an integer number (101009610).

Almost surely, 2^1381327000 is an apocalyptic number.

1381327000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1381327000 is an abundant number, since it is smaller than the sum of its proper divisors (1850980520).

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

1381327000 is a wasteful number, since it uses less digits than its factorization.

1381327000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381348 (or 1381334 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1381327000 is about 37166.2077699622. The cubic root of 1381327000 is about 1113.6930264355.

Adding to 1381327000 its reverse (7231831), we get a palindrome (1388558831).

The spelling of 1381327000 in words is "one billion, three hundred eighty-one million, three hundred twenty-seven thousand".