1385195033 has 4 divisors (see below), whose sum is σ = 1445420928. Its totient is φ = 1324969140.

The previous prime is 1385195029. The next prime is 1385195047. The reversal of 1385195033 is 3305915831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1385195033 - 2² = 1385195029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1385195533) 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, 30112913 + ... + 30112958.

It is an arithmetic number, because the mean of its divisors is an integer number (361355232).

Almost surely, 2^1385195033 is an apocalyptic number.

It is an amenable number.

1385195033 is a deficient number, since it is larger than the sum of its proper divisors (60225895).

1385195033 is an equidigital number, since it uses as much as digits as its factorization.

1385195033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60225894.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 1385195033 is about 37218.2083529017. The cubic root of 1385195033 is about 1114.7315897583.

The spelling of 1385195033 in words is "one billion, three hundred eighty-five million, one hundred ninety-five thousand, thirty-three".