140032134134221 has 4 divisors (see below), whose sum is σ = 160036724724832. Its totient is φ = 120027543543612.

The previous prime is 140032134134219. The next prime is 140032134134273. The reversal of 140032134134221 is 122431431230041.

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 140032134134221 - 2¹ = 140032134134219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140032134134281) 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, 10002295295295 + ... + 10002295295308.

It is an arithmetic number, because the mean of its divisors is an integer number (40009181181208).

Almost surely, 2^{140032134134221} is an apocalyptic number.

It is an amenable number.

140032134134221 is a deficient number, since it is larger than the sum of its proper divisors (20004590590611).

140032134134221 is an equidigital number, since it uses as much as digits as its factorization.

140032134134221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20004590590610.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 140032134134221 its reverse (122431431230041), we get a palindrome (262463565364262).

The spelling of 140032134134221 in words is "one hundred forty trillion, thirty-two billion, one hundred thirty-four million, one hundred thirty-four thousand, two hundred twenty-one".