140817232 has 20 divisors (see below), whose sum is σ = 273121780. Its totient is φ = 70334208.

The previous prime is 140817223. The next prime is 140817251. The reversal of 140817232 is 232718041.

It can be written as a sum of positive squares in 2 ways, for example, as 45481536 + 95335696 = 6744^2 + 9764^2 .

It is a super-3 number, since 3×140817232³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140817232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12988 + ... + 21220.

It is an arithmetic number, because the mean of its divisors is an integer number (13656089).

Almost surely, 2^140817232 is an apocalyptic number.

It is an amenable number.

140817232 is a deficient number, since it is larger than the sum of its proper divisors (132304548).

140817232 is a wasteful number, since it uses less digits than its factorization.

140817232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9310 (or 9304 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 140817232 is about 11866.6436703897. The cubic root of 140817232 is about 520.2578011625.

The spelling of 140817232 in words is "one hundred forty million, eight hundred seventeen thousand, two hundred thirty-two".