140231573 has 2 divisors, whose sum is σ = 140231574. Its totient is φ = 140231572.

The previous prime is 140231549. The next prime is 140231629. The reversal of 140231573 is 375132041.

140231573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72301009 + 67930564 = 8503^2 + 8242^2 .

It is a cyclic number.

It is not a de Polignac number, because 140231573 - 2¹⁰ = 140230549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140231173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70115786 + 70115787.

It is an arithmetic number, because the mean of its divisors is an integer number (70115787).

Almost surely, 2^140231573 is an apocalyptic number.

It is an amenable number.

140231573 is a deficient number, since it is larger than the sum of its proper divisors (1).

140231573 is an equidigital number, since it uses as much as digits as its factorization.

140231573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 140231573 is about 11841.9412682212. The cubic root of 140231573 is about 519.5355480570.

The spelling of 140231573 in words is "one hundred forty million, two hundred thirty-one thousand, five hundred seventy-three".