1369435442 has 8 divisors (see below), whose sum is σ = 2174985756. Its totient is φ = 644440192.

The previous prime is 1369435439. The next prime is 1369435471. The reversal of 1369435442 is 2445349631.

It can be written as a sum of positive squares in 2 ways, for example, as 1338754921 + 30680521 = 36589^2 + 5539^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1369435442.

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, 20138723 + ... + 20138790.

Almost surely, 2^1369435442 is an apocalyptic number.

1369435442 is a deficient number, since it is larger than the sum of its proper divisors (805550314).

1369435442 is a wasteful number, since it uses less digits than its factorization.

1369435442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40277532.

The product of its digits is 311040, while the sum is 41.

The square root of 1369435442 is about 37005.8838835124. The cubic root of 1369435442 is about 1110.4879606612.

The spelling of 1369435442 in words is "one billion, three hundred sixty-nine million, four hundred thirty-five thousand, four hundred forty-two".