140967971 has 2 divisors, whose sum is σ = 140967972. Its totient is φ = 140967970.

The previous prime is 140967923. The next prime is 140967977. The reversal of 140967971 is 179769041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140967971 - 2⁶ = 140967907 is a prime.

It is a super-3 number, since 3×140967971³ (a number of 25 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is equal to p_7963586 and since 140967971 and 7963586 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (140967977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70483985 + 70483986.

It is an arithmetic number, because the mean of its divisors is an integer number (70483986).

Almost surely, 2^140967971 is an apocalyptic number.

140967971 is a deficient number, since it is larger than the sum of its proper divisors (1).

140967971 is an equidigital number, since it uses as much as digits as its factorization.

140967971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 140967971 is about 11872.9933462459. The cubic root of 140967971 is about 520.4433730874.

The spelling of 140967971 in words is "one hundred forty million, nine hundred sixty-seven thousand, nine hundred seventy-one".