140231107 has 2 divisors, whose sum is σ = 140231108. Its totient is φ = 140231106.

The previous prime is 140231093. The next prime is 140231173. The reversal of 140231107 is 701132041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140231107 - 2¹⁵ = 140198339 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140231407) 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, 70115553 + 70115554.

It is an arithmetic number, because the mean of its divisors is an integer number (70115554).

Almost surely, 2^140231107 is an apocalyptic number.

140231107 is a deficient number, since it is larger than the sum of its proper divisors (1).

140231107 is an equidigital number, since it uses as much as digits as its factorization.

140231107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 140231107 is about 11841.9215923768. The cubic root of 140231107 is about 519.5349725712.

Adding to 140231107 its reverse (701132041), we get a palindrome (841363148).

The spelling of 140231107 in words is "one hundred forty million, two hundred thirty-one thousand, one hundred seven".