40121142134 has 16 divisors (see below), whose sum is σ = 62095819968. Its totient is φ = 19431336192.

The previous prime is 40121142133. The next prime is 40121142137. The reversal of 40121142134 is 43124112104.

40121142134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40121142134² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40121142133) 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, 2190989 + ... + 2209224.

It is an arithmetic number, because the mean of its divisors is an integer number (3880988748).

Almost surely, 2^40121142134 is an apocalyptic number.

40121142134 is a deficient number, since it is larger than the sum of its proper divisors (21974677834).

40121142134 is a wasteful number, since it uses less digits than its factorization.

40121142134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400359.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 40121142134 its reverse (43124112104), we get a palindrome (83245254238).

The spelling of 40121142134 in words is "forty billion, one hundred twenty-one million, one hundred forty-two thousand, one hundred thirty-four".