40142134379 has 2 divisors, whose sum is σ = 40142134380. Its totient is φ = 40142134378.

The previous prime is 40142134367. The next prime is 40142134433. The reversal of 40142134379 is 97343124104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40142134379 - 2²⁸ = 39873698923 is a prime.

It is a super-2 number, since 2×40142134379² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40142634379) 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 as a sum of consecutive naturals, namely, 20071067189 + 20071067190.

It is an arithmetic number, because the mean of its divisors is an integer number (20071067190).

Almost surely, 2^40142134379 is an apocalyptic number.

40142134379 is a deficient number, since it is larger than the sum of its proper divisors (1).

40142134379 is an equidigital number, since it uses as much as digits as its factorization.

40142134379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 40142134379 in words is "forty billion, one hundred forty-two million, one hundred thirty-four thousand, three hundred seventy-nine".