42134212140 has 96 divisors (see below), whose sum is σ = 119255431680. Its totient is φ = 11114582016.

The previous prime is 42134211967. The next prime is 42134212177. The reversal of 42134212140 is 4121243124.

42134212140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 42134212140.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2062657 + ... + 2082983.

It is an arithmetic number, because the mean of its divisors is an integer number (1242244080).

Almost surely, 2^42134212140 is an apocalyptic number.

It is an amenable number.

42134212140 is an abundant number, since it is smaller than the sum of its proper divisors (77121219540).

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

42134212140 is a wasteful number, since it uses less digits than its factorization.

42134212140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20711 (or 20709 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 42134212140 its reverse (4121243124), we get a palindrome (46255455264).

The spelling of 42134212140 in words is "forty-two billion, one hundred thirty-four million, two hundred twelve thousand, one hundred forty".