1376865000 has 640 divisors, whose sum is σ = 5758156800. Its totient is φ = 298080000.

The previous prime is 1376864999. The next prime is 1376865011. The reversal of 1376865000 is 5686731.

1376865000 is a `hidden beast` number, since 1 + 3 + 76 + 86 + 500 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 29294977 + ... + 29295023.

It is an arithmetic number, because the mean of its divisors is an integer number (8997120).

Almost surely, 2^1376865000 is an apocalyptic number.

1376865000 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 1376865000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2879078400).

1376865000 is an abundant number, since it is smaller than the sum of its proper divisors (4381291800).

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

1376865000 is a wasteful number, since it uses less digits than its factorization.

1376865000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1376865000 is about 37106.1315687852. The cubic root of 1376865000 is about 1112.4925724370.

The spelling of 1376865000 in words is "one billion, three hundred seventy-six million, eight hundred sixty-five thousand".