1379901800 has 24 divisors (see below), whose sum is σ = 3208272150. Its totient is φ = 551960640.

The previous prime is 1379901773. The next prime is 1379901823. The reversal of 1379901800 is 81099731.

It can be written as a sum of positive squares in 3 ways, for example, as 961372036 + 418529764 = 31006^2 + 20458^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3449555 + ... + 3449954.

Almost surely, 2^1379901800 is an apocalyptic number.

1379901800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1379901800 is an abundant number, since it is smaller than the sum of its proper divisors (1828370350).

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

1379901800 is a wasteful number, since it uses less digits than its factorization.

1379901800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6899525 (or 6899516 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 1379901800 is about 37147.0294909297. The cubic root of 1379901800 is about 1113.3098727731.

The spelling of 1379901800 in words is "one billion, three hundred seventy-nine million, nine hundred one thousand, eight hundred".