140220033 has 16 divisors (see below), whose sum is σ = 194927040. Its totient is φ = 89578944.

The previous prime is 140220001. The next prime is 140220053. The reversal of 140220033 is 330022041.

It is not a de Polignac number, because 140220033 - 2⁵ = 140220001 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140219994 and 140220021.

It is not an unprimeable number, because it can be changed into a prime (140220053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3418 + ... + 17091.

It is an arithmetic number, because the mean of its divisors is an integer number (12182940).

Almost surely, 2^140220033 is an apocalyptic number.

140220033 is the 6837-th octagonal number.

It is an amenable number.

140220033 is a deficient number, since it is larger than the sum of its proper divisors (54707007).

140220033 is a wasteful number, since it uses less digits than its factorization.

140220033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20608.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 140220033 is about 11841.4540070044. The cubic root of 140220033 is about 519.5212963813.

Adding to 140220033 its reverse (330022041), we get a palindrome (470242074).

The spelling of 140220033 in words is "one hundred forty million, two hundred twenty thousand, thirty-three".