40131004134 has 48 divisors (see below), whose sum is σ = 91819618128. Its totient is φ = 11621641728.

The previous prime is 40131004129. The next prime is 40131004153. The reversal of 40131004134 is 43140013104.

It is a super-2 number, since 2×40131004134² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40131004134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 867597 + ... + 912680.

It is an arithmetic number, because the mean of its divisors is an integer number (1912908711).

Almost surely, 2^40131004134 is an apocalyptic number.

40131004134 is an abundant number, since it is smaller than the sum of its proper divisors (51688613994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40131004134 is a wasteful number, since it uses less digits than its factorization.

40131004134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780329 (or 1780312 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 40131004134 its reverse (43140013104), we get a palindrome (83271017238).

The spelling of 40131004134 in words is "forty billion, one hundred thirty-one million, four thousand, one hundred thirty-four".