42132401134421 has 8 divisors (see below), whose sum is σ = 45373560488760. Its totient is φ = 38891271125952.

The previous prime is 42132401134399. The next prime is 42132401134451. The reversal of 42132401134421 is 12443110423124.

It can be written as a sum of positive squares in 4 ways, for example, as 1883717820196 + 40248683314225 = 1372486^2 + 6344185^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42132401134421 - 2³⁰ = 42131327392597 is a prime.

It is a super-2 number, since 2×42132401134421² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42132401134451) 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, 4308290 + ... + 10140323.

It is an arithmetic number, because the mean of its divisors is an integer number (5671695061095).

Almost surely, 2^{42132401134421} is an apocalyptic number.

It is an amenable number.

42132401134421 is a deficient number, since it is larger than the sum of its proper divisors (3241159354339).

42132401134421 is a wasteful number, since it uses less digits than its factorization.

42132401134421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14672935.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 42132401134421 its reverse (12443110423124), we get a palindrome (54575511557545).

The spelling of 42132401134421 in words is "forty-two trillion, one hundred thirty-two billion, four hundred one million, one hundred thirty-four thousand, four hundred twenty-one".