840141158 has 4 divisors (see below), whose sum is σ = 1260211740. Its totient is φ = 420070578.

The previous prime is 840141157. The next prime is 840141161. The reversal of 840141158 is 851141048.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840141151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210035288 + ... + 210035291.

It is an arithmetic number, because the mean of its divisors is an integer number (315052935).

Almost surely, 2^840141158 is an apocalyptic number.

840141158 is a deficient number, since it is larger than the sum of its proper divisors (420070582).

840141158 is a wasteful number, since it uses less digits than its factorization.

840141158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420070581.

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 840141158 is about 28985.1885969369. The cubic root of 840141158 is about 943.5916455036.

The spelling of 840141158 in words is "eight hundred forty million, one hundred forty-one thousand, one hundred fifty-eight".