138042334 has 16 divisors (see below), whose sum is σ = 218466000. Its totient is φ = 65237184.

The previous prime is 138042313. The next prime is 138042361. The reversal of 138042334 is 433240831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13392 + ... + 21340.

It is an arithmetic number, because the mean of its divisors is an integer number (13654125).

Almost surely, 2^138042334 is an apocalyptic number.

138042334 is a deficient number, since it is larger than the sum of its proper divisors (80423666).

138042334 is a wasteful number, since it uses less digits than its factorization.

138042334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8427.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 138042334 is about 11749.1418410027. The cubic root of 138042334 is about 516.8177621680.

The spelling of 138042334 in words is "one hundred thirty-eight million, forty-two thousand, three hundred thirty-four".