342106138 has 16 divisors (see below), whose sum is σ = 571722624. Its totient is φ = 152193760.

The previous prime is 342106133. The next prime is 342106159. The reversal of 342106138 is 831601243.

It is not an unprimeable number, because it can be changed into a prime (342106133) 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, 164395 + ... + 166462.

It is an arithmetic number, because the mean of its divisors is an integer number (35732664).

Almost surely, 2^342106138 is an apocalyptic number.

342106138 is a deficient number, since it is larger than the sum of its proper divisors (229616486).

342106138 is a wasteful number, since it uses less digits than its factorization.

342106138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330917.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 342106138 is about 18496.1114291626. Note that the first 3 decimals coincide. The cubic root of 342106138 is about 699.3914016342.

The spelling of 342106138 in words is "three hundred forty-two million, one hundred six thousand, one hundred thirty-eight".