1319170442 has 16 divisors (see below), whose sum is σ = 1987528200. Its totient is φ = 656667648.

The previous prime is 1319170423. The next prime is 1319170453. The reversal of 1319170442 is 2440719131.

It can be written as a sum of positive squares in 4 ways, for example, as 1158108961 + 161061481 = 34031^2 + 12691^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1319170399 and 1319170408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653018 + ... + 655034.

Almost surely, 2^1319170442 is an apocalyptic number.

1319170442 is a deficient number, since it is larger than the sum of its proper divisors (668357758).

1319170442 is a wasteful number, since it uses less digits than its factorization.

1319170442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1319170442 is about 36320.3860386973. The cubic root of 1319170442 is about 1096.7314661111.

Adding to 1319170442 its reverse (2440719131), we get a palindrome (3759889573).

The spelling of 1319170442 in words is "one billion, three hundred nineteen million, one hundred seventy thousand, four hundred forty-two".