140244245121 has 16 divisors (see below), whose sum is σ = 196842147840. Its totient is φ = 88571658960.

The previous prime is 140244245093. The next prime is 140244245131. The reversal of 140244245121 is 121542442041.

It is not a de Polignac number, because 140244245121 - 2²³ = 140235856513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140244245131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2251036 + ... + 2312498.

It is an arithmetic number, because the mean of its divisors is an integer number (12302634240).

Almost surely, 2^140244245121 is an apocalyptic number.

It is an amenable number.

140244245121 is a deficient number, since it is larger than the sum of its proper divisors (56597902719).

140244245121 is a wasteful number, since it uses less digits than its factorization.

140244245121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101516.

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 140244245121 its reverse (121542442041), we get a palindrome (261786687162).

The spelling of 140244245121 in words is "one hundred forty billion, two hundred forty-four million, two hundred forty-five thousand, one hundred twenty-one".