140240203200521 has 4 divisors (see below), whose sum is σ = 142617155797200. Its totient is φ = 137863250603844.

The previous prime is 140240203200511. The next prime is 140240203200541. The reversal of 140240203200521 is 125002302042041.

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 140240203200521 - 2⁶ = 140240203200457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140240203200511) 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, 1188476298251 + ... + 1188476298368.

It is an arithmetic number, because the mean of its divisors is an integer number (35654288949300).

Almost surely, 2^{140240203200521} is an apocalyptic number.

It is an amenable number.

140240203200521 is a deficient number, since it is larger than the sum of its proper divisors (2376952596679).

140240203200521 is an equidigital number, since it uses as much as digits as its factorization.

140240203200521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376952596678.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 140240203200521 its reverse (125002302042041), we get a palindrome (265242505242562).

The spelling of 140240203200521 in words is "one hundred forty trillion, two hundred forty billion, two hundred three million, two hundred thousand, five hundred twenty-one".