140441551121 has 4 divisors (see below), whose sum is σ = 148702818852. Its totient is φ = 132180283392.

The previous prime is 140441551097. The next prime is 140441551139. The reversal of 140441551121 is 121155144041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 98646246400 + 41795304721 = 314080^2 + 204439^2 .

It is a cyclic number.

It is not a de Polignac number, because 140441551121 - 2⁶ = 140441551057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140441551141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4130633840 + ... + 4130633873.

It is an arithmetic number, because the mean of its divisors is an integer number (37175704713).

Almost surely, 2^140441551121 is an apocalyptic number.

It is an amenable number.

140441551121 is a deficient number, since it is larger than the sum of its proper divisors (8261267731).

140441551121 is an equidigital number, since it uses as much as digits as its factorization.

140441551121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8261267730.

The product of its (nonzero) digits is 3200, while the sum is 29.

Adding to 140441551121 its reverse (121155144041), we get a palindrome (261596695162).

The spelling of 140441551121 in words is "one hundred forty billion, four hundred forty-one million, five hundred fifty-one thousand, one hundred twenty-one".