140201031138 has 32 divisors (see below), whose sum is σ = 334392523776. Its totient is φ = 38315809488.

The previous prime is 140201031137. The next prime is 140201031259. The reversal of 140201031138 is 831130102041.

It is not an unprimeable number, because it can be changed into a prime (140201031137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72566856 + ... + 72568787.

It is an arithmetic number, because the mean of its divisors is an integer number (10449766368).

Almost surely, 2^140201031138 is an apocalyptic number.

140201031138 is an abundant number, since it is smaller than the sum of its proper divisors (194191492638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140201031138 is a wasteful number, since it uses less digits than its factorization.

140201031138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145135678.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 140201031138 its reverse (831130102041), we get a palindrome (971331133179).

The spelling of 140201031138 in words is "one hundred forty billion, two hundred one million, thirty-one thousand, one hundred thirty-eight".