854125140 has 48 divisors (see below), whose sum is σ = 2608966080. Its totient is φ = 207060480.

The previous prime is 854125133. The next prime is 854125177. The reversal of 854125140 is 41521458.

854125140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 854125098 and 854125107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646405 + ... + 647724.

It is an arithmetic number, because the mean of its divisors is an integer number (54353460).

Almost surely, 2^854125140 is an apocalyptic number.

It is an amenable number.

854125140 is an abundant number, since it is smaller than the sum of its proper divisors (1754840940).

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

854125140 is a wasteful number, since it uses less digits than its factorization.

854125140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294152 (or 1294150 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 854125140 is about 29225.4194152967. The cubic root of 854125140 is about 948.7981625700.

Adding to 854125140 its reverse (41521458), we get a palindrome (895646598).

The spelling of 854125140 in words is "eight hundred fifty-four million, one hundred twenty-five thousand, one hundred forty".