142934738 has 16 divisors (see below), whose sum is σ = 223609344. Its totient is φ = 68446080.

The previous prime is 142934731. The next prime is 142934761. The reversal of 142934738 is 837439241.

It is a junction number, because it is equal to n+sod(n) for n = 142934695 and 142934704.

It is not an unprimeable number, because it can be changed into a prime (142934731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5870 + ... + 17897.

It is an arithmetic number, because the mean of its divisors is an integer number (13975584).

Almost surely, 2^142934738 is an apocalyptic number.

142934738 is a deficient number, since it is larger than the sum of its proper divisors (80674606).

142934738 is a wasteful number, since it uses less digits than its factorization.

142934738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23897.

The product of its digits is 145152, while the sum is 41.

The square root of 142934738 is about 11955.5316903934. The cubic root of 142934738 is about 522.8525895598.

The spelling of 142934738 in words is "one hundred forty-two million, nine hundred thirty-four thousand, seven hundred thirty-eight".