1346709636 has 18 divisors (see below), whose sum is σ = 3404182782. Its totient is φ = 448903200.

The previous prime is 1346709631. The next prime is 1346709667. The reversal of 1346709636 is 6369076431.

1346709636 is a `hidden beast` number, since 1 + 3 + 4 + 6 + 7 + 0 + 9 + 636 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1346156100 + 553536 = 36690^2 + 744^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 1346709591 and 1346709600.

It is not an unprimeable number, because it can be changed into a prime (1346709631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18704265 + ... + 18704336.

Almost surely, 2^1346709636 is an apocalyptic number.

It is an amenable number.

1346709636 is an abundant number, since it is smaller than the sum of its proper divisors (2057473146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1346709636 is a wasteful number, since it uses less digits than its factorization.

1346709636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37408611 (or 37408606 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The square root of 1346709636 is about 36697.5426425258. The cubic root of 1346709636 is about 1104.3108076544.

The spelling of 1346709636 in words is "one billion, three hundred forty-six million, seven hundred nine thousand, six hundred thirty-six".