40134131234 has 16 divisors (see below), whose sum is σ = 61515153216. Its totient is φ = 19633395600.

The previous prime is 40134131207. The next prime is 40134131237. The reversal of 40134131234 is 43213143104.

It is a happy number.

It is a super-2 number, since 2×40134131234² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40134131237) 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, 1060157 + ... + 1097360.

It is an arithmetic number, because the mean of its divisors is an integer number (3844697076).

Almost surely, 2^40134131234 is an apocalyptic number.

40134131234 is a deficient number, since it is larger than the sum of its proper divisors (21381021982).

40134131234 is a wasteful number, since it uses less digits than its factorization.

40134131234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157721.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 40134131234 its reverse (43213143104), we get a palindrome (83347274338).

The spelling of 40134131234 in words is "forty billion, one hundred thirty-four million, one hundred thirty-one thousand, two hundred thirty-four".