140011429 has 2 divisors, whose sum is σ = 140011430. Its totient is φ = 140011428.

The previous prime is 140011423. The next prime is 140011457. The reversal of 140011429 is 924110041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114276100 + 25735329 = 10690^2 + 5073^2 .

It is a cyclic number.

It is not a de Polignac number, because 140011429 - 2⁷ = 140011301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140011423) 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, 70005714 + 70005715.

It is an arithmetic number, because the mean of its divisors is an integer number (70005715).

Almost surely, 2^140011429 is an apocalyptic number.

It is an amenable number.

140011429 is a deficient number, since it is larger than the sum of its proper divisors (1).

140011429 is an equidigital number, since it uses as much as digits as its factorization.

140011429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 140011429 is about 11832.6425197417. The cubic root of 140011429 is about 519.2635395661.

The spelling of 140011429 in words is "one hundred forty million, eleven thousand, four hundred twenty-nine".