142336634 has 8 divisors (see below), whose sum is σ = 232914528. Its totient is φ = 64698460.

The previous prime is 142336583. The next prime is 142336651. The reversal of 142336634 is 436633241.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 142336634.

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, 3234902 + ... + 3234945.

It is an arithmetic number, because the mean of its divisors is an integer number (29114316).

Almost surely, 2^142336634 is an apocalyptic number.

142336634 is a deficient number, since it is larger than the sum of its proper divisors (90577894).

142336634 is a wasteful number, since it uses less digits than its factorization.

142336634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6469860.

The product of its digits is 31104, while the sum is 32.

The square root of 142336634 is about 11930.4917752790. The cubic root of 142336634 is about 522.1222855661.

Adding to 142336634 its reverse (436633241), we get a palindrome (578969875).

The spelling of 142336634 in words is "one hundred forty-two million, three hundred thirty-six thousand, six hundred thirty-four".