140533429 has 2 divisors, whose sum is σ = 140533430. Its totient is φ = 140533428.

The previous prime is 140533409. The next prime is 140533433. The reversal of 140533429 is 924335041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132135025 + 8398404 = 11495^2 + 2898^2 .

It is a cyclic number.

It is not a de Polignac number, because 140533429 - 2¹⁷ = 140402357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140533429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140533409) 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, 70266714 + 70266715.

It is an arithmetic number, because the mean of its divisors is an integer number (70266715).

Almost surely, 2^140533429 is an apocalyptic number.

It is an amenable number.

140533429 is a deficient number, since it is larger than the sum of its proper divisors (1).

140533429 is an equidigital number, since it uses as much as digits as its factorization.

140533429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 140533429 is about 11854.6796245196. The cubic root of 140533429 is about 519.9080569690.

The spelling of 140533429 in words is "one hundred forty million, five hundred thirty-three thousand, four hundred twenty-nine".