1379355912 has 256 divisors, whose sum is σ = 4399718400. Its totient is φ = 396576000.

The previous prime is 1379355847. The next prime is 1379355937. The reversal of 1379355912 is 2195539731.

1379355912 is a `hidden beast` number, since 1 + 3 + 7 + 93 + 559 + 1 + 2 = 666.

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, 4492863 + ... + 4493169.

It is an arithmetic number, because the mean of its divisors is an integer number (17186400).

Almost surely, 2^1379355912 is an apocalyptic number.

1379355912 is a gapful number since it is divisible by the number (12) 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 1379355912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2199859200).

1379355912 is an abundant number, since it is smaller than the sum of its proper divisors (3020362488).

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

1379355912 is a wasteful number, since it uses less digits than its factorization.

1379355912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 415 counting only the distinct ones).

The product of its digits is 255150, while the sum is 45.

The square root of 1379355912 is about 37139.6810971769. The cubic root of 1379355912 is about 1113.1630452577.

The spelling of 1379355912 in words is "one billion, three hundred seventy-nine million, three hundred fifty-five thousand, nine hundred twelve".