1319378929 has 8 divisors (see below), whose sum is σ = 1439955072. Its totient is φ = 1198908240.

The previous prime is 1319378917. The next prime is 1319379007. The reversal of 1319378929 is 9298739131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1319378929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1319378029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1047 + ... + 51379.

It is an arithmetic number, because the mean of its divisors is an integer number (179994384).

Almost surely, 2^1319378929 is an apocalyptic number.

It is an amenable number.

1319378929 is a deficient number, since it is larger than the sum of its proper divisors (120576143).

1319378929 is a wasteful number, since it uses less digits than its factorization.

1319378929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52727.

The product of its digits is 734832, while the sum is 52.

The square root of 1319378929 is about 36323.2560352180. The cubic root of 1319378929 is about 1096.7892403509.

The spelling of 1319378929 in words is "one billion, three hundred nineteen million, three hundred seventy-eight thousand, nine hundred twenty-nine".