140229 has 6 divisors (see below), whose sum is σ = 202566. Its totient is φ = 93480.

The previous prime is 140227. The next prime is 140237. The reversal of 140229 is 922041.

It can be written as a sum of positive squares in only one way, i.e., 108900 + 31329 = 330^2 + 177^2 .

It is not a de Polignac number, because 140229 - 2¹ = 140227 is a prime.

It is a plaindrome in base 7.

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7782 + ... + 7799.

It is an arithmetic number, because the mean of its divisors is an integer number (33761).

2¹⁴⁰²²⁹ is an apocalyptic number.

It is an amenable number.

140229 is a deficient number, since it is larger than the sum of its proper divisors (62337).

140229 is a wasteful number, since it uses less digits than its factorization.

140229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15587 (or 15584 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 140229 is about 374.4716277637. The cubic root of 140229 is about 51.9532370520.

It can be divided in two parts, 1402 and 29, that added together give a triangular number (1431 = T₅₃).

The spelling of 140229 in words is "one hundred forty thousand, two hundred twenty-nine".