140365741 has 4 divisors (see below), whose sum is σ = 140670684. Its totient is φ = 140060800.

The previous prime is 140365669. The next prime is 140365747. The reversal of 140365741 is 147563041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42850116 + 97515625 = 6546^2 + 9875^2 .

It is a cyclic number.

It is not a de Polignac number, because 140365741 - 2⁹ = 140365229 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140365747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151780 + ... + 152701.

It is an arithmetic number, because the mean of its divisors is an integer number (35167671).

Almost surely, 2^140365741 is an apocalyptic number.

It is an amenable number.

140365741 is a deficient number, since it is larger than the sum of its proper divisors (304943).

140365741 is an equidigital number, since it uses as much as digits as its factorization.

140365741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304942.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 140365741 is about 11847.6048634313. The cubic root of 140365741 is about 519.7011855698.

The spelling of 140365741 in words is "one hundred forty million, three hundred sixty-five thousand, seven hundred forty-one".