1366135392 has 24 divisors (see below), whose sum is σ = 3586105656. Its totient is φ = 455378432.

The previous prime is 1366135313. The next prime is 1366135411. The reversal of 1366135392 is 2935316631.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1366135392.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7115193 + ... + 7115384.

It is an arithmetic number, because the mean of its divisors is an integer number (149421069).

Almost surely, 2^1366135392 is an apocalyptic number.

1366135392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1366135392 is an abundant number, since it is smaller than the sum of its proper divisors (2219970264).

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

1366135392 is a wasteful number, since it uses less digits than its factorization.

1366135392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14230590 (or 14230582 counting only the distinct ones).

The product of its digits is 87480, while the sum is 39.

The square root of 1366135392 is about 36961.2688093902. The cubic root of 1366135392 is about 1109.5952294137.

The spelling of 1366135392 in words is "one billion, three hundred sixty-six million, one hundred thirty-five thousand, three hundred ninety-two".