1385359709 has 8 divisors (see below), whose sum is σ = 1399353408. Its totient is φ = 1371385600.

The previous prime is 1385359697. The next prime is 1385359727. The reversal of 1385359709 is 9079535831.

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 1385359709 - 2⁴ = 1385359693 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 (1385355709) 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, 167264 + ... + 175350.

It is an arithmetic number, because the mean of its divisors is an integer number (174919176).

Almost surely, 2^1385359709 is an apocalyptic number.

It is an amenable number.

1385359709 is a deficient number, since it is larger than the sum of its proper divisors (13993699).

1385359709 is a wasteful number, since it uses less digits than its factorization.

1385359709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9795.

The product of its (nonzero) digits is 1020600, while the sum is 50.

The square root of 1385359709 is about 37220.4205913904. The cubic root of 1385359709 is about 1114.7757621820.

The spelling of 1385359709 in words is "one billion, three hundred eighty-five million, three hundred fifty-nine thousand, seven hundred nine".