1319373056 has 36 divisors (see below), whose sum is σ = 2638176492. Its totient is φ = 658538496.

The previous prime is 1319373037. The next prime is 1319373061. The reversal of 1319373056 is 6503739131.

It can be written as a sum of positive squares in 2 ways, for example, as 371718400 + 947654656 = 19280^2 + 30784^2 .

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, 153776 + ... + 162128.

Almost surely, 2^1319373056 is an apocalyptic number.

1319373056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1319373056 is a deficient number, since it is larger than the sum of its proper divisors (1318803436).

1319373056 is an frugal number, since it uses more digits than its factorization.

1319373056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8986 (or 8972 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 38.

The square root of 1319373056 is about 36323.1751916046. The cubic root of 1319373056 is about 1096.7876129557.

The spelling of 1319373056 in words is "one billion, three hundred nineteen million, three hundred seventy-three thousand, fifty-six".