849139152 has 40 divisors (see below), whose sum is σ = 2209638336. Its totient is φ = 280978176.

The previous prime is 849139141. The next prime is 849139183. The reversal of 849139152 is 251931948.

849139152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 57988 + ... + 71139.

Almost surely, 2^849139152 is an apocalyptic number.

It is an amenable number.

849139152 is an abundant number, since it is smaller than the sum of its proper divisors (1360499184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

849139152 is a wasteful number, since it uses less digits than its factorization.

849139152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129275 (or 129269 counting only the distinct ones).

The product of its digits is 77760, while the sum is 42.

The square root of 849139152 is about 29139.9923129708. The cubic root of 849139152 is about 946.9483432998.

The spelling of 849139152 in words is "eight hundred forty-nine million, one hundred thirty-nine thousand, one hundred fifty-two".