140131400442 has 16 divisors (see below), whose sum is σ = 305741237472. Its totient is φ = 42464060720.

The previous prime is 140131400441. The next prime is 140131400459. The reversal of 140131400442 is 244004131041.

It is not an unprimeable number, because it can be changed into a prime (140131400441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1061601453 + ... + 1061601584.

It is an arithmetic number, because the mean of its divisors is an integer number (19108827342).

Almost surely, 2^140131400442 is an apocalyptic number.

140131400442 is an abundant number, since it is smaller than the sum of its proper divisors (165609837030).

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

140131400442 is a wasteful number, since it uses less digits than its factorization.

140131400442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123203053.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 140131400442 its reverse (244004131041), we get a palindrome (384135531483).

The spelling of 140131400442 in words is "one hundred forty billion, one hundred thirty-one million, four hundred thousand, four hundred forty-two".