1356606404 has 6 divisors (see below), whose sum is σ = 2374061214. Its totient is φ = 678303200.

The previous prime is 1356606397. The next prime is 1356606413. The reversal of 1356606404 is 4046066531.

It can be written as a sum of positive squares in only one way, i.e., 1075708804 + 280897600 = 32798^2 + 16760^2 .

It is a super-2 number, since 2×1356606404² = 3680761870747622432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169575797 + ... + 169575804.

It is an arithmetic number, because the mean of its divisors is an integer number (395676869).

Almost surely, 2^1356606404 is an apocalyptic number.

It is an amenable number.

1356606404 is a deficient number, since it is larger than the sum of its proper divisors (1017454810).

1356606404 is a wasteful number, since it uses less digits than its factorization.

1356606404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339151605 (or 339151603 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 1356606404 is about 36832.1381947885. The cubic root of 1356606404 is about 1107.0093464273.

The spelling of 1356606404 in words is "one billion, three hundred fifty-six million, six hundred six thousand, four hundred four".