140214029 has 2 divisors, whose sum is σ = 140214030. Its totient is φ = 140214028.

The previous prime is 140214017. The next prime is 140214047. The reversal of 140214029 is 920412041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89775625 + 50438404 = 9475^2 + 7102^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140214029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140213995 and 140214013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140214329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70107014 + 70107015.

It is an arithmetic number, because the mean of its divisors is an integer number (70107015).

Almost surely, 2^140214029 is an apocalyptic number.

It is an amenable number.

140214029 is a deficient number, since it is larger than the sum of its proper divisors (1).

140214029 is an equidigital number, since it uses as much as digits as its factorization.

140214029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 140214029 is about 11841.2004881262. The cubic root of 140214029 is about 519.5138812488.

The spelling of 140214029 in words is "one hundred forty million, two hundred fourteen thousand, twenty-nine".