140241553531 has 4 divisors (see below), whose sum is σ = 145077469200. Its totient is φ = 135405637864.

The previous prime is 140241553523. The next prime is 140241553537. The reversal of 140241553531 is 135355142041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140241553531 - 2³ = 140241553523 is a prime.

It is a super-2 number, since 2×140241553531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140241553537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2417957791 + ... + 2417957848.

It is an arithmetic number, because the mean of its divisors is an integer number (36269367300).

Almost surely, 2^140241553531 is an apocalyptic number.

140241553531 is a deficient number, since it is larger than the sum of its proper divisors (4835915669).

140241553531 is an equidigital number, since it uses as much as digits as its factorization.

140241553531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4835915668.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 140241553531 its reverse (135355142041), we get a palindrome (275596695572).

The spelling of 140241553531 in words is "one hundred forty billion, two hundred forty-one million, five hundred fifty-three thousand, five hundred thirty-one".