1386934699 has 8 divisors (see below), whose sum is σ = 1432316288. Its totient is φ = 1341593280.

The previous prime is 1386934691. The next prime is 1386934709. The reversal of 1386934699 is 9964396831.

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

It is a cyclic number.

It is not a de Polignac number, because 1386934699 - 2³ = 1386934691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1386934691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70519 + ... + 88015.

It is an arithmetic number, because the mean of its divisors is an integer number (179039536).

Almost surely, 2^1386934699 is an apocalyptic number.

1386934699 is a deficient number, since it is larger than the sum of its proper divisors (45381589).

1386934699 is a wasteful number, since it uses less digits than its factorization.

1386934699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20085.

The product of its digits is 7558272, while the sum is 58.

The square root of 1386934699 is about 37241.5721875433. The cubic root of 1386934699 is about 1115.1980582163.

The spelling of 1386934699 in words is "one billion, three hundred eighty-six million, nine hundred thirty-four thousand, six hundred ninety-nine".