40420134810133 has 4 divisors (see below), whose sum is σ = 43529375949388. Its totient is φ = 37310893670880.

The previous prime is 40420134810119. The next prime is 40420134810151. The reversal of 40420134810133 is 33101843102404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27870353860644 + 12549780949489 = 5279238^2 + 3542567^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40420134810133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40420134816133) 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, 1554620569608 + ... + 1554620569633.

It is an arithmetic number, because the mean of its divisors is an integer number (10882343987347).

Almost surely, 2^{40420134810133} is an apocalyptic number.

It is an amenable number.

40420134810133 is a deficient number, since it is larger than the sum of its proper divisors (3109241139255).

40420134810133 is a wasteful number, since it uses less digits than its factorization.

40420134810133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3109241139254.

The product of its (nonzero) digits is 27648, while the sum is 34.

Adding to 40420134810133 its reverse (33101843102404), we get a palindrome (73521977912537).

The spelling of 40420134810133 in words is "forty trillion, four hundred twenty billion, one hundred thirty-four million, eight hundred ten thousand, one hundred thirty-three".