140169238 has 32 divisors (see below), whose sum is σ = 240226560. Its totient is φ = 60752160.

The previous prime is 140169203. The next prime is 140169247. The reversal of 140169238 is 832961041.

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 15 ways as a sum of consecutive naturals, for example, 51631 + ... + 54277.

It is an arithmetic number, because the mean of its divisors is an integer number (7507080).

Almost surely, 2^140169238 is an apocalyptic number.

140169238 is a deficient number, since it is larger than the sum of its proper divisors (100057322).

140169238 is a wasteful number, since it uses less digits than its factorization.

140169238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 140169238 is about 11839.3090169993. The cubic root of 140169238 is about 519.4585562464.

The spelling of 140169238 in words is "one hundred forty million, one hundred sixty-nine thousand, two hundred thirty-eight".