1378925896 has 32 divisors (see below), whose sum is σ = 2742177240. Its totient is φ = 647815168.

The previous prime is 1378925887. The next prime is 1378925897. The reversal of 1378925896 is 6985298731.

It can be written as a sum of positive squares in 4 ways, for example, as 1316673796 + 62252100 = 36286^2 + 7890^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1378925896.

It is not an unprimeable number, because it can be changed into a prime (1378925897) by changing a digit.

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, 75696 + ... + 92128.

Almost surely, 2^1378925896 is an apocalyptic number.

It is an amenable number.

1378925896 is a deficient number, since it is larger than the sum of its proper divisors (1363251344).

1378925896 is a wasteful number, since it uses less digits than its factorization.

1378925896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17073 (or 17069 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 58.

The square root of 1378925896 is about 37133.8914739622. The cubic root of 1378925896 is about 1113.0473565590.

The spelling of 1378925896 in words is "one billion, three hundred seventy-eight million, nine hundred twenty-five thousand, eight hundred ninety-six".