832139493 has 4 divisors (see below), whose sum is σ = 1109519328. Its totient is φ = 554759660.

The previous prime is 832139489. The next prime is 832139519. The reversal of 832139493 is 394931238.

832139493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 832139493 - 2² = 832139489 is a prime.

It is a super-3 number, since 3×832139493³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (832138493) 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, 138689913 + ... + 138689918.

It is an arithmetic number, because the mean of its divisors is an integer number (277379832).

Almost surely, 2^832139493 is an apocalyptic number.

It is an amenable number.

832139493 is a deficient number, since it is larger than the sum of its proper divisors (277379835).

832139493 is a wasteful number, since it uses less digits than its factorization.

832139493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277379834.

The product of its digits is 139968, while the sum is 42.

The square root of 832139493 is about 28846.8281271962. The cubic root of 832139493 is about 940.5864354089.

The spelling of 832139493 in words is "eight hundred thirty-two million, one hundred thirty-nine thousand, four hundred ninety-three".