140440144134 has 32 divisors (see below), whose sum is σ = 285681594240. Its totient is φ = 46013389632.

The previous prime is 140440144121. The next prime is 140440144151. The reversal of 140440144134 is 431441044041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2890389 + ... + 2938575.

It is an arithmetic number, because the mean of its divisors is an integer number (8927549820).

Almost surely, 2^140440144134 is an apocalyptic number.

140440144134 is an abundant number, since it is smaller than the sum of its proper divisors (145241450106).

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

140440144134 is a wasteful number, since it uses less digits than its factorization.

140440144134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56484.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 140440144134 its reverse (431441044041), we get a palindrome (571881188175).

The spelling of 140440144134 in words is "one hundred forty billion, four hundred forty million, one hundred forty-four thousand, one hundred thirty-four".