42154134334 has 32 divisors (see below), whose sum is σ = 68558805504. Its totient is φ = 19323601920.

The previous prime is 42154134329. The next prime is 42154134343. The reversal of 42154134334 is 43343145124.

It is a self number, because there is not a number n which added to its sum of digits gives 42154134334.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3335812 + ... + 3348424.

It is an arithmetic number, because the mean of its divisors is an integer number (2142462672).

Almost surely, 2^42154134334 is an apocalyptic number.

42154134334 is a deficient number, since it is larger than the sum of its proper divisors (26404671170).

42154134334 is a wasteful number, since it uses less digits than its factorization.

42154134334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13492.

The product of its digits is 69120, while the sum is 34.

Adding to 42154134334 its reverse (43343145124), we get a palindrome (85497279458).

The spelling of 42154134334 in words is "forty-two billion, one hundred fifty-four million, one hundred thirty-four thousand, three hundred thirty-four".