40401146135 has 16 divisors (see below), whose sum is σ = 55925116416.
Its totient is φ = 27444727968.
The previous prime is 40401146113. The next prime is 40401146143. The reversal of 40401146135 is 53164110404.
Adding to 40401146135 its reverse (53164110404), we get a palindrome (93565256539).
It is not a de Polignac number, because 40401146135 - 28 = 40401145879 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 40401146098 and 40401146107.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5390267 + ... + 5397756.
It is an arithmetic number, because the mean of its divisors is an integer number (3495319776).
Almost surely, 240401146135 is an apocalyptic number.
40401146135 is a deficient number, since it is larger than the sum of its proper divisors (15523970281).
40401146135 is a wasteful number, since it uses less digits than its factorization.
40401146135 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10788142.
The product of its (nonzero) digits is 5760, while the sum is 29.
The spelling of 40401146135 in words is "forty billion, four hundred one million, one hundred forty-six thousand, one hundred thirty-five".