1356469442 has 8 divisors (see below), whose sum is σ = 2035983036. Its totient is φ = 677808432.

The previous prime is 1356469399. The next prime is 1356469453. The reversal of 1356469442 is 2449646531.

It can be written as a sum of positive squares in 2 ways, for example, as 1339486801 + 16982641 = 36599^2 + 4121^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1356469393 and 1356469402.

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, 209153 + ... + 215540.

Almost surely, 2^1356469442 is an apocalyptic number.

1356469442 is a deficient number, since it is larger than the sum of its proper divisors (679513594).

1356469442 is a wasteful number, since it uses less digits than its factorization.

1356469442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426292.

The product of its digits is 622080, while the sum is 44.

The square root of 1356469442 is about 36830.2788748606. The cubic root of 1356469442 is about 1106.9720908862.

The spelling of 1356469442 in words is "one billion, three hundred fifty-six million, four hundred sixty-nine thousand, four hundred forty-two".