40040013134 has 8 divisors (see below), whose sum is σ = 65520021528. Its totient is φ = 18200005960.

The previous prime is 40040013133. The next prime is 40040013173. The reversal of 40040013134 is 43131004004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40040013133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910000277 + ... + 910000320.

It is an arithmetic number, because the mean of its divisors is an integer number (8190002691).

Almost surely, 2^40040013134 is an apocalyptic number.

40040013134 is a deficient number, since it is larger than the sum of its proper divisors (25480008394).

40040013134 is a wasteful number, since it uses less digits than its factorization.

40040013134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820000610.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 40040013134 its reverse (43131004004), we get a palindrome (83171017138).

The spelling of 40040013134 in words is "forty billion, forty million, thirteen thousand, one hundred thirty-four".