140042134213 has 16 divisors (see below), whose sum is σ = 142106380416. Its totient is φ = 137993221440.

The previous prime is 140042134187. The next prime is 140042134237. The reversal of 140042134213 is 312431240041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140042134213 is a prime.

It is a super-2 number, since 2×140042134213² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140042134613) 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, 17707206 + ... + 17715112.

It is an arithmetic number, because the mean of its divisors is an integer number (8881648776).

Almost surely, 2^140042134213 is an apocalyptic number.

It is an amenable number.

140042134213 is a deficient number, since it is larger than the sum of its proper divisors (2064246203).

140042134213 is a wasteful number, since it uses less digits than its factorization.

140042134213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8844.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 140042134213 its reverse (312431240041), we get a palindrome (452473374254).

The spelling of 140042134213 in words is "one hundred forty billion, forty-two million, one hundred thirty-four thousand, two hundred thirteen".