134342402142 has 32 divisors (see below), whose sum is σ = 290867834880. Its totient is φ = 41119699680.

The previous prime is 134342402123. The next prime is 134342402143. The reversal of 134342402142 is 241204243431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134342402143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4493842 + ... + 4523637.

It is an arithmetic number, because the mean of its divisors is an integer number (9089619840).

Almost surely, 2^134342402142 is an apocalyptic number.

134342402142 is an abundant number, since it is smaller than the sum of its proper divisors (156525432738).

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

134342402142 is a wasteful number, since it uses less digits than its factorization.

134342402142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9017688.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 134342402142 its reverse (241204243431), we get a palindrome (375546645573).

The spelling of 134342402142 in words is "one hundred thirty-four billion, three hundred forty-two million, four hundred two thousand, one hundred forty-two".