140042142323201 has 4 divisors (see below), whose sum is σ = 140498305653552. Its totient is φ = 139585978992852.

The previous prime is 140042142323189. The next prime is 140042142323269. The reversal of 140042142323201 is 102323241240041.

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 140042142323201 - 2¹⁰ = 140042142322177 is a prime.

It is a super-2 number, since 2×140042142323201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140042142313201) 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, 228081664715 + ... + 228081665328.

It is an arithmetic number, because the mean of its divisors is an integer number (35124576413388).

Almost surely, 2^{140042142323201} is an apocalyptic number.

It is an amenable number.

140042142323201 is a deficient number, since it is larger than the sum of its proper divisors (456163330351).

140042142323201 is an equidigital number, since it uses as much as digits as its factorization.

140042142323201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456163330350.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 140042142323201 its reverse (102323241240041), we get a palindrome (242365383563242).

The spelling of 140042142323201 in words is "one hundred forty trillion, forty-two billion, one hundred forty-two million, three hundred twenty-three thousand, two hundred one".