140740601 has 2 divisors, whose sum is σ = 140740602. Its totient is φ = 140740600.

The previous prime is 140740597. The next prime is 140740643. The reversal of 140740601 is 106047041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95043001 + 45697600 = 9749^2 + 6760^2 .

It is a cyclic number.

It is not a de Polignac number, because 140740601 - 2² = 140740597 is a prime.

It is a super-3 number, since 3×140740601³ (a number of 25 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (140740801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70370300 + 70370301.

It is an arithmetic number, because the mean of its divisors is an integer number (70370301).

Almost surely, 2^140740601 is an apocalyptic number.

It is an amenable number.

140740601 is a deficient number, since it is larger than the sum of its proper divisors (1).

140740601 is an equidigital number, since it uses as much as digits as its factorization.

140740601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 140740601 is about 11863.4143904695. The cubic root of 140740601 is about 520.1634114133.

Adding to 140740601 its reverse (106047041), we get a palindrome (246787642).

The spelling of 140740601 in words is "one hundred forty million, seven hundred forty thousand, six hundred one".