1378925048 has 16 divisors (see below), whose sum is σ = 2586015960. Its totient is φ = 689320800.

The previous prime is 1378925039. The next prime is 1378925077. The reversal of 1378925048 is 8405298731.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1378924993 and 1378925011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31763 + ... + 61373.

Almost surely, 2^1378925048 is an apocalyptic number.

It is an amenable number.

1378925048 is a deficient number, since it is larger than the sum of its proper divisors (1207090912).

1378925048 is a wasteful number, since it uses less digits than its factorization.

1378925048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35438 (or 35434 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 1378925048 is about 37133.8800558196. The cubic root of 1378925048 is about 1113.0471283949.

The spelling of 1378925048 in words is "one billion, three hundred seventy-eight million, nine hundred twenty-five thousand, forty-eight".