140236 has 6 divisors (see below), whose sum is σ = 245420. Its totient is φ = 70116.

The previous prime is 140227. The next prime is 140237. The reversal of 140236 is 632041.

It is a super-2 number, since 2×140236² = 39332271392, which contains 22 as substring.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (140237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17526 + ... + 17533.

2¹⁴⁰²³⁶ is an apocalyptic number.

It is an amenable number.

140236 is a deficient number, since it is larger than the sum of its proper divisors (105184).

140236 is a wasteful number, since it uses less digits than its factorization.

140236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35063 (or 35061 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 140236 is about 374.4809741496. The cubic root of 140236 is about 51.9541015108.

Adding to 140236 its reverse (632041), we get a palindrome (772277).

The spelling of 140236 in words is "one hundred forty thousand, two hundred thirty-six".