140171672 has 16 divisors (see below), whose sum is σ = 268414560. Its totient is φ = 68594464.

The previous prime is 140171671. The next prime is 140171741. The reversal of 140171672 is 276171041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140171671) 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 in 3 ways as a sum of consecutive naturals, for example, 186023 + ... + 186774.

It is an arithmetic number, because the mean of its divisors is an integer number (16775910).

Almost surely, 2^140171672 is an apocalyptic number.

It is an amenable number.

140171672 is a deficient number, since it is larger than the sum of its proper divisors (128242888).

140171672 is a wasteful number, since it uses less digits than its factorization.

140171672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372850 (or 372846 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 140171672 is about 11839.4118097142. The cubic root of 140171672 is about 519.4615629803.

The spelling of 140171672 in words is "one hundred forty million, one hundred seventy-one thousand, six hundred seventy-two".