42134131102420 has 36 divisors (see below), whose sum is σ = 102927663124020. Its totient is φ = 14445987806208.

The previous prime is 42134131102373. The next prime is 42134131102447. The reversal of 42134131102420 is 2420113143124.

It is a happy number.

42134131102420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10076294765124 + 32057836337296 = 3174318^2 + 5661964^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21497004685 + ... + 21497006644.

It is an arithmetic number, because the mean of its divisors is an integer number (2859101753445).

Almost surely, 2^{42134131102420} is an apocalyptic number.

It is an amenable number.

42134131102420 is an abundant number, since it is smaller than the sum of its proper divisors (60793532021600).

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

42134131102420 is a wasteful number, since it uses less digits than its factorization.

42134131102420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42994011352 (or 42994011343 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 42134131102420 its reverse (2420113143124), we get a palindrome (44554244245544).

The spelling of 42134131102420 in words is "forty-two trillion, one hundred thirty-four billion, one hundred thirty-one million, one hundred two thousand, four hundred twenty".