840338151 has 8 divisors (see below), whose sum is σ = 1120627200. Its totient is φ = 560137272.

The previous prime is 840338123. The next prime is 840338159. The reversal of 840338151 is 151833048.

840338151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 840338151 - 2⁵ = 840338119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840338159) 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, 4906 + ... + 41288.

It is an arithmetic number, because the mean of its divisors is an integer number (140078400).

Almost surely, 2^840338151 is an apocalyptic number.

840338151 is a deficient number, since it is larger than the sum of its proper divisors (280289049).

840338151 is a wasteful number, since it uses less digits than its factorization.

840338151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44085.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 840338151 is about 28988.5865643705. The cubic root of 840338151 is about 943.6653896282.

The spelling of 840338151 in words is "eight hundred forty million, three hundred thirty-eight thousand, one hundred fifty-one".