140501507 has 2 divisors, whose sum is σ = 140501508. Its totient is φ = 140501506.

The previous prime is 140501489. The next prime is 140501521. The reversal of 140501507 is 705105041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140501507 - 2⁶ = 140501443 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140501527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70250753 + 70250754.

It is an arithmetic number, because the mean of its divisors is an integer number (70250754).

Almost surely, 2^140501507 is an apocalyptic number.

140501507 is a deficient number, since it is larger than the sum of its proper divisors (1).

140501507 is an equidigital number, since it uses as much as digits as its factorization.

140501507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 140501507 is about 11853.3331599175. Note that the first 3 decimals coincide. The cubic root of 140501507 is about 519.8686884907.

Adding to 140501507 its reverse (705105041), we get a palindrome (845606548).

The spelling of 140501507 in words is "one hundred forty million, five hundred one thousand, five hundred seven".