240138501 has 8 divisors (see below), whose sum is σ = 320721600. Its totient is φ = 159823872.

The previous prime is 240138499. The next prime is 240138527. The reversal of 240138501 is 105831042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 240138501 - 2¹ = 240138499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240138541) 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 7 ways as a sum of consecutive naturals, for example, 65020 + ... + 68613.

It is an arithmetic number, because the mean of its divisors is an integer number (40090200).

Almost surely, 2^240138501 is an apocalyptic number.

It is an amenable number.

240138501 is a deficient number, since it is larger than the sum of its proper divisors (80583099).

240138501 is a wasteful number, since it uses less digits than its factorization.

240138501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134235.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 240138501 is about 15496.4028406595. The cubic root of 240138501 is about 621.5660212051.

Adding to 240138501 its reverse (105831042), we get a palindrome (345969543).

The spelling of 240138501 in words is "two hundred forty million, one hundred thirty-eight thousand, five hundred one".