211140429 has 16 divisors (see below), whose sum is σ = 284444160. Its totient is φ = 139304880.

The previous prime is 211140343. The next prime is 211140451. The reversal of 211140429 is 924041112.

It is not a de Polignac number, because 211140429 - 2¹¹ = 211138381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211140399 and 211140408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211140469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285342 + ... + 286080.

It is an arithmetic number, because the mean of its divisors is an integer number (17777760).

Almost surely, 2^211140429 is an apocalyptic number.

It is an amenable number.

211140429 is a deficient number, since it is larger than the sum of its proper divisors (73303731).

211140429 is a wasteful number, since it uses less digits than its factorization.

211140429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 211140429 is about 14530.6720078598. The cubic root of 211140429 is about 595.4662249849.

The spelling of 211140429 in words is "two hundred eleven million, one hundred forty thousand, four hundred twenty-nine".