140211251 has 2 divisors, whose sum is σ = 140211252. Its totient is φ = 140211250.

The previous prime is 140211217. The next prime is 140211263. The reversal of 140211251 is 152112041.

140211251 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 is a cyclic number.

It is not a de Polignac number, because 140211251 - 2¹⁸ = 139949107 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (140211271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70105625 + 70105626.

It is an arithmetic number, because the mean of its divisors is an integer number (70105626).

Almost surely, 2^140211251 is an apocalyptic number.

140211251 is a deficient number, since it is larger than the sum of its proper divisors (1).

140211251 is an equidigital number, since it uses as much as digits as its factorization.

140211251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 140211251 is about 11841.0831852496. The cubic root of 140211251 is about 519.5104502581.

Adding to 140211251 its reverse (152112041), we get a palindrome (292323292).

The spelling of 140211251 in words is "one hundred forty million, two hundred eleven thousand, two hundred fifty-one".