40142143134429 has 16 divisors (see below), whose sum is σ = 62822195691648. Its totient is φ = 22318411626432.

The previous prime is 40142143134383. The next prime is 40142143134437. The reversal of 40142143134429 is 92443134124104.

It is a happy number.

It is not a de Polignac number, because 40142143134429 - 2¹² = 40142143130333 is a prime.

It is a super-2 number, since 2×40142143134429² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40142143134529) 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, 25831494162 + ... + 25831495715.

It is an arithmetic number, because the mean of its divisors is an integer number (3926387230728).

Almost surely, 2^{40142143134429} is an apocalyptic number.

It is an amenable number.

40142143134429 is a deficient number, since it is larger than the sum of its proper divisors (22680052557219).

40142143134429 is a wasteful number, since it uses less digits than its factorization.

40142143134429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51662989924.

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 40142143134429 in words is "forty trillion, one hundred forty-two billion, one hundred forty-three million, one hundred thirty-four thousand, four hundred twenty-nine".