140200142030121 has 4 divisors (see below), whose sum is σ = 186933522706832. Its totient is φ = 93466761353412.

The previous prime is 140200142030101. The next prime is 140200142030203. The reversal of 140200142030121 is 121030241002041.

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 not a de Polignac number, because 140200142030121 - 2¹⁸ = 140200141767977 is a prime.

It is a super-2 number, since 2×140200142030121² (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 (140200142030101) 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, 23366690338351 + ... + 23366690338356.

It is an arithmetic number, because the mean of its divisors is an integer number (46733380676708).

Almost surely, 2^{140200142030121} is an apocalyptic number.

It is an amenable number.

140200142030121 is a deficient number, since it is larger than the sum of its proper divisors (46733380676711).

140200142030121 is an equidigital number, since it uses as much as digits as its factorization.

140200142030121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46733380676710.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 140200142030121 its reverse (121030241002041), we get a palindrome (261230383032162).

The spelling of 140200142030121 in words is "one hundred forty trillion, two hundred billion, one hundred forty-two million, thirty thousand, one hundred twenty-one".