840147132 has 24 divisors (see below), whose sum is σ = 2138556672. Its totient is φ = 254590000.

The previous prime is 840147101. The next prime is 840147163. The reversal of 840147132 is 231741048.

It is an interprime number because it is at equal distance from previous prime (840147101) and next prime (840147163).

It is a self number, because there is not a number n which added to its sum of digits gives 840147132.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 3182244 + ... + 3182507.

It is an arithmetic number, because the mean of its divisors is an integer number (89106528).

Almost surely, 2^840147132 is an apocalyptic number.

It is an amenable number.

840147132 is an abundant number, since it is smaller than the sum of its proper divisors (1298409540).

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

840147132 is a wasteful number, since it uses less digits than its factorization.

840147132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6364769 (or 6364767 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 840147132 is about 28985.2916493866. The cubic root of 840147132 is about 943.5938820338.

The spelling of 840147132 in words is "eight hundred forty million, one hundred forty-seven thousand, one hundred thirty-two".