142310140240 has 40 divisors (see below), whose sum is σ = 350334083880. Its totient is φ = 53575581696.

The previous prime is 142310140237. The next prime is 142310140243. The reversal of 142310140240 is 42041013241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (142310140237) and next prime (142310140243).

It can be written as a sum of positive squares in 4 ways, for example, as 3738588736 + 138571551504 = 61144^2 + 372252^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142310140243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52318545 + ... + 52321264.

It is an arithmetic number, because the mean of its divisors is an integer number (8758352097).

Almost surely, 2^142310140240 is an apocalyptic number.

142310140240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142310140240 is an abundant number, since it is smaller than the sum of its proper divisors (208023943640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142310140240 is a wasteful number, since it uses less digits than its factorization.

142310140240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104639839 (or 104639833 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 142310140240 its reverse (42041013241), we get a palindrome (184351153481).

The spelling of 142310140240 in words is "one hundred forty-two billion, three hundred ten million, one hundred forty thousand, two hundred forty".