142436734 has 8 divisors (see below), whose sum is σ = 233078328. Its totient is φ = 64743960.

The previous prime is 142436687. The next prime is 142436759. The reversal of 142436734 is 437634241.

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

It is a self number, because there is not a number n which added to its sum of digits gives 142436734.

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 3 ways as a sum of consecutive naturals, for example, 3237177 + ... + 3237220.

It is an arithmetic number, because the mean of its divisors is an integer number (29134791).

Almost surely, 2^142436734 is an apocalyptic number.

142436734 is a deficient number, since it is larger than the sum of its proper divisors (90641594).

142436734 is a wasteful number, since it uses less digits than its factorization.

142436734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6474410.

The product of its digits is 48384, while the sum is 34.

The square root of 142436734 is about 11934.6861709892. The cubic root of 142436734 is about 522.2446532055.

The spelling of 142436734 in words is "one hundred forty-two million, four hundred thirty-six thousand, seven hundred thirty-four".