850133140 has 24 divisors (see below), whose sum is σ = 1787581152. Its totient is φ = 339614880.

The previous prime is 850133101. The next prime is 850133143. The reversal of 850133140 is 41331058.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850133143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11266 + ... + 42745.

It is an arithmetic number, because the mean of its divisors is an integer number (74482548).

Almost surely, 2^850133140 is an apocalyptic number.

It is an amenable number.

850133140 is an abundant number, since it is smaller than the sum of its proper divisors (937448012).

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

850133140 is a wasteful number, since it uses less digits than its factorization.

850133140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54807 (or 54805 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 850133140 is about 29157.0427169835. The cubic root of 850133140 is about 947.3176931501.

Adding to 850133140 its reverse (41331058), we get a palindrome (891464198).

The spelling of 850133140 in words is "eight hundred fifty million, one hundred thirty-three thousand, one hundred forty".