140490029 has 2 divisors, whose sum is σ = 140490030. Its totient is φ = 140490028.

The previous prime is 140490019. The next prime is 140490041. The reversal of 140490029 is 920094041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136936804 + 3553225 = 11702^2 + 1885^2 .

It is a cyclic number.

It is not a de Polignac number, because 140490029 - 2²⁰ = 139441453 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 140489983 and 140490010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140490019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70245014 + 70245015.

It is an arithmetic number, because the mean of its divisors is an integer number (70245015).

Almost surely, 2^140490029 is an apocalyptic number.

It is an amenable number.

140490029 is a deficient number, since it is larger than the sum of its proper divisors (1).

140490029 is an equidigital number, since it uses as much as digits as its factorization.

140490029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 140490029 is about 11852.8489824177. The cubic root of 140490029 is about 519.8545315481.

The spelling of 140490029 in words is "one hundred forty million, four hundred ninety thousand, twenty-nine".