1385611875 has 60 divisors (see below), whose sum is σ = 2512177096. Its totient is φ = 735696000.

The previous prime is 1385611849. The next prime is 1385611937. The reversal of 1385611875 is 5781165831.

1385611875 is a `hidden beast` number, since 1 + 3 + 8 + 561 + 1 + 87 + 5 = 666.

It is not a de Polignac number, because 1385611875 - 2⁶ = 1385611811 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1385611875.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1760232 + ... + 1761018.

Almost surely, 2^1385611875 is an apocalyptic number.

1385611875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1385611875 is a deficient number, since it is larger than the sum of its proper divisors (1126565221).

1385611875 is an equidigital number, since it uses as much as digits as its factorization.

1385611875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126 (or 1108 counting only the distinct ones).

The product of its digits is 201600, while the sum is 45.

The square root of 1385611875 is about 37223.8079056939. The cubic root of 1385611875 is about 1114.8433959979.

The spelling of 1385611875 in words is "one billion, three hundred eighty-five million, six hundred eleven thousand, eight hundred seventy-five".