1933330139 has 4 divisors (see below), whose sum is σ = 2082047856. Its totient is φ = 1784612424.

The previous prime is 1933330129. The next prime is 1933330207. The reversal of 1933330139 is 9310333391.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1933330139 - 2²⁰ = 1932281563 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1933330099 and 1933330108.

It is not an unprimeable number, because it can be changed into a prime (1933330129) 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, 74358839 + ... + 74358864.

It is an arithmetic number, because the mean of its divisors is an integer number (520511964).

Almost surely, 2^1933330139 is an apocalyptic number.

1933330139 is a deficient number, since it is larger than the sum of its proper divisors (148717717).

1933330139 is a wasteful number, since it uses less digits than its factorization.

1933330139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148717716.

The product of its (nonzero) digits is 19683, while the sum is 35.

The square root of 1933330139 is about 43969.6502032936. The cubic root of 1933330139 is about 1245.7627491137.

The spelling of 1933330139 in words is "one billion, nine hundred thirty-three million, three hundred thirty thousand, one hundred thirty-nine".