1364406636 has 12 divisors (see below), whose sum is σ = 3183615512. Its totient is φ = 454802208.

The previous prime is 1364406629. The next prime is 1364406653. The reversal of 1364406636 is 6366044631.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1364406594 and 1364406603.

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, 56850265 + ... + 56850288.

Almost surely, 2^1364406636 is an apocalyptic number.

It is an amenable number.

1364406636 is an abundant number, since it is smaller than the sum of its proper divisors (1819208876).

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

1364406636 is a wasteful number, since it uses less digits than its factorization.

1364406636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113700560 (or 113700558 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 39.

The square root of 1364406636 is about 36937.8753584989. The cubic root of 1364406636 is about 1109.1269915122.

The spelling of 1364406636 in words is "one billion, three hundred sixty-four million, four hundred six thousand, six hundred thirty-six".