1378494296 has 8 divisors (see below), whose sum is σ = 2584676820. Its totient is φ = 689247144.

The previous prime is 1378494281. The next prime is 1378494353. The reversal of 1378494296 is 6924948731.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 86155886 + ... + 86155901.

Almost surely, 2^1378494296 is an apocalyptic number.

It is an amenable number.

1378494296 is a deficient number, since it is larger than the sum of its proper divisors (1206182524).

1378494296 is a wasteful number, since it uses less digits than its factorization.

1378494296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172311793 (or 172311789 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 53.

The square root of 1378494296 is about 37128.0796163766. The cubic root of 1378494296 is about 1112.9312175241.

The spelling of 1378494296 in words is "one billion, three hundred seventy-eight million, four hundred ninety-four thousand, two hundred ninety-six".