134142236542 has 8 divisors (see below), whose sum is σ = 209961761616. Its totient is φ = 64154982672.

The previous prime is 134142236537. The next prime is 134142236563. The reversal of 134142236542 is 245632241431.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1458067743 + ... + 1458067834.

It is an arithmetic number, because the mean of its divisors is an integer number (26245220202).

Almost surely, 2^134142236542 is an apocalyptic number.

134142236542 is a deficient number, since it is larger than the sum of its proper divisors (75819525074).

134142236542 is a wasteful number, since it uses less digits than its factorization.

134142236542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916135602.

The product of its digits is 138240, while the sum is 37.

Adding to 134142236542 its reverse (245632241431), we get a palindrome (379774477973).

The spelling of 134142236542 in words is "one hundred thirty-four billion, one hundred forty-two million, two hundred thirty-six thousand, five hundred forty-two".