1385675311 has 4 divisors (see below), whose sum is σ = 1385818632. Its totient is φ = 1385531992.

The previous prime is 1385675299. The next prime is 1385675327. The reversal of 1385675311 is 1135765831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1385675311 - 2⁵ = 1385675279 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385675351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56020 + ... + 76873.

It is an arithmetic number, because the mean of its divisors is an integer number (346454658).

Almost surely, 2^1385675311 is an apocalyptic number.

1385675311 is a deficient number, since it is larger than the sum of its proper divisors (143321).

1385675311 is a wasteful number, since it uses less digits than its factorization.

1385675311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143320.

The product of its digits is 75600, while the sum is 40.

The square root of 1385675311 is about 37224.6599850153. The cubic root of 1385675311 is about 1114.8604089695.

The spelling of 1385675311 in words is "one billion, three hundred eighty-five million, six hundred seventy-five thousand, three hundred eleven".