138307334 has 8 divisors (see below), whose sum is σ = 226321128. Its totient is φ = 62866960.

The previous prime is 138307321. The next prime is 138307339. The reversal of 138307334 is 433703831.

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 138307334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138307339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3143327 + ... + 3143370.

It is an arithmetic number, because the mean of its divisors is an integer number (28290141).

Almost surely, 2^138307334 is an apocalyptic number.

138307334 is a deficient number, since it is larger than the sum of its proper divisors (88013794).

138307334 is a wasteful number, since it uses less digits than its factorization.

138307334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6286710.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 138307334 is about 11760.4138532621. The cubic root of 138307334 is about 517.1482626208.

The spelling of 138307334 in words is "one hundred thirty-eight million, three hundred seven thousand, three hundred thirty-four".