240130133 has 4 divisors (see below), whose sum is σ = 241603488. Its totient is φ = 238656780.

The previous prime is 240130127. The next prime is 240130159. The reversal of 240130133 is 331031042.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 240130133 - 2¹⁴ = 240113749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240136133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736433 + ... + 736758.

It is an arithmetic number, because the mean of its divisors is an integer number (60400872).

Almost surely, 2^240130133 is an apocalyptic number.

It is an amenable number.

240130133 is a deficient number, since it is larger than the sum of its proper divisors (1473355).

240130133 is a wasteful number, since it uses less digits than its factorization.

240130133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473354.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 240130133 is about 15496.1328401637. The cubic root of 240130133 is about 621.5588013093.

Adding to 240130133 its reverse (331031042), we get a palindrome (571161175).

Subtracting 240130133 from its reverse (331031042), we obtain a palindrome (90900909).

The spelling of 240130133 in words is "two hundred forty million, one hundred thirty thousand, one hundred thirty-three".