140957638 has 8 divisors (see below), whose sum is σ = 211804632. Its totient is φ = 70356096.

The previous prime is 140957617. The next prime is 140957647. The reversal of 140957638 is 836759041.

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

It is a junction number, because it is equal to n+sod(n) for n = 140957594 and 140957603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59920 + ... + 62227.

It is an arithmetic number, because the mean of its divisors is an integer number (26475579).

Almost surely, 2^140957638 is an apocalyptic number.

140957638 is a deficient number, since it is larger than the sum of its proper divisors (70846994).

140957638 is a wasteful number, since it uses less digits than its factorization.

140957638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122726.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 140957638 is about 11872.5581910555. The cubic root of 140957638 is about 520.4306565516.

The spelling of 140957638 in words is "one hundred forty million, nine hundred fifty-seven thousand, six hundred thirty-eight".