140673241 has 2 divisors, whose sum is σ = 140673242. Its totient is φ = 140673240.

The previous prime is 140673217. The next prime is 140673277. The reversal of 140673241 is 142376041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87965641 + 52707600 = 9379^2 + 7260^2 .

It is a cyclic number.

It is not a de Polignac number, because 140673241 - 2²¹ = 138576089 is a prime.

It is not a weakly prime, because it can be changed into another prime (140673041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70336620 + 70336621.

It is an arithmetic number, because the mean of its divisors is an integer number (70336621).

Almost surely, 2^140673241 is an apocalyptic number.

It is an amenable number.

140673241 is a deficient number, since it is larger than the sum of its proper divisors (1).

140673241 is an equidigital number, since it uses as much as digits as its factorization.

140673241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 140673241 is about 11860.5750703750. The cubic root of 140673241 is about 520.0804128602.

It can be divided in two parts, 1406 and 73241, that added together give a palindrome (74647).

The spelling of 140673241 in words is "one hundred forty million, six hundred seventy-three thousand, two hundred forty-one".