1385916667 has 8 divisors (see below), whose sum is σ = 1417564080. Its totient is φ = 1354541280.

The previous prime is 1385916661. The next prime is 1385916673. The reversal of 1385916667 is 7666195831.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1385916661) and next prime (1385916673).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1385916667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1385916661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57684 + ... + 78097.

It is an arithmetic number, because the mean of its divisors is an integer number (177195510).

Almost surely, 2^1385916667 is an apocalyptic number.

1385916667 is a deficient number, since it is larger than the sum of its proper divisors (31647413).

1385916667 is a wasteful number, since it uses less digits than its factorization.

1385916667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136013.

The product of its digits is 1632960, while the sum is 52.

The square root of 1385916667 is about 37227.9017270649. The cubic root of 1385916667 is about 1114.9251337588.

The spelling of 1385916667 in words is "one billion, three hundred eighty-five million, nine hundred sixteen thousand, six hundred sixty-seven".