140531073 has 8 divisors (see below), whose sum is σ = 187429536. Its totient is φ = 93660000.

The previous prime is 140531047. The next prime is 140531077. The reversal of 140531073 is 370135041.

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

It is not a de Polignac number, because 140531073 - 2⁹ = 140530561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140531077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16573 + ... + 23573.

It is an arithmetic number, because the mean of its divisors is an integer number (23428692).

Almost surely, 2^140531073 is an apocalyptic number.

It is an amenable number.

140531073 is a deficient number, since it is larger than the sum of its proper divisors (46898463).

140531073 is an equidigital number, since it uses as much as digits as its factorization.

140531073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13695.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 140531073 is about 11854.5802540621. The cubic root of 140531073 is about 519.9051515862.

The spelling of 140531073 in words is "one hundred forty million, five hundred thirty-one thousand, seventy-three".