140520032501 has 2 divisors, whose sum is σ = 140520032502. Its totient is φ = 140520032500.

The previous prime is 140520032489. The next prime is 140520032509. The reversal of 140520032501 is 105230025041.

140520032501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136751300401 + 3768732100 = 369799^2 + 61390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140520032501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140520032509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70260016250 + 70260016251.

It is an arithmetic number, because the mean of its divisors is an integer number (70260016251).

Almost surely, 2^140520032501 is an apocalyptic number.

It is an amenable number.

140520032501 is a deficient number, since it is larger than the sum of its proper divisors (1).

140520032501 is an equidigital number, since it uses as much as digits as its factorization.

140520032501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 140520032501 its reverse (105230025041), we get a palindrome (245750057542).

The spelling of 140520032501 in words is "one hundred forty billion, five hundred twenty million, thirty-two thousand, five hundred one".