1385369173 has 8 divisors (see below), whose sum is σ = 1485799200. Its totient is φ = 1287690768.

The previous prime is 1385369171. The next prime is 1385369177. The reversal of 1385369173 is 3719635831.

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 1385369173 - 2¹ = 1385369171 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385369171) 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, 686863 + ... + 688876.

It is an arithmetic number, because the mean of its divisors is an integer number (185724900).

Almost surely, 2^1385369173 is an apocalyptic number.

It is an amenable number.

1385369173 is a deficient number, since it is larger than the sum of its proper divisors (100430027).

1385369173 is a wasteful number, since it uses less digits than its factorization.

1385369173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375811.

The product of its digits is 408240, while the sum is 46.

The square root of 1385369173 is about 37220.5477256851. The cubic root of 1385369173 is about 1114.7783006836.

The spelling of 1385369173 in words is "one billion, three hundred eighty-five million, three hundred sixty-nine thousand, one hundred seventy-three".