140731741 has 2 divisors, whose sum is σ = 140731742. Its totient is φ = 140731740.

The previous prime is 140731711. The next prime is 140731777. The reversal of 140731741 is 147137041.

140731741 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., 140304025 + 427716 = 11845^2 + 654^2 .

It is a cyclic number.

It is not a de Polignac number, because 140731741 - 2¹⁵ = 140698973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140731711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70365870 + 70365871.

It is an arithmetic number, because the mean of its divisors is an integer number (70365871).

Almost surely, 2^140731741 is an apocalyptic number.

It is an amenable number.

140731741 is a deficient number, since it is larger than the sum of its proper divisors (1).

140731741 is an equidigital number, since it uses as much as digits as its factorization.

140731741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 140731741 is about 11863.0409676440. The cubic root of 140731741 is about 520.1524959549.

Adding to 140731741 its reverse (147137041), we get a palindrome (287868782).

The spelling of 140731741 in words is "one hundred forty million, seven hundred thirty-one thousand, seven hundred forty-one".