1385154065 has 8 divisors (see below), whose sum is σ = 1663247040. Its totient is φ = 1107415152.

The previous prime is 1385154053. The next prime is 1385154079. The reversal of 1385154065 is 5604515831.

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-1385154065 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79829 + ... + 95618.

It is an arithmetic number, because the mean of its divisors is an integer number (207905880).

Almost surely, 2^1385154065 is an apocalyptic number.

It is an amenable number.

1385154065 is a deficient number, since it is larger than the sum of its proper divisors (278092975).

1385154065 is a wasteful number, since it uses less digits than its factorization.

1385154065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177031.

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 1385154065 is about 37217.6579730643. The cubic root of 1385154065 is about 1114.7206000246.

Adding to 1385154065 its reverse (5604515831), we get a palindrome (6989669896).

The spelling of 1385154065 in words is "one billion, three hundred eighty-five million, one hundred fifty-four thousand, sixty-five".