138285034 has 8 divisors (see below), whose sum is σ = 208318500. Its totient is φ = 68845536.

The previous prime is 138285023. The next prime is 138285061. The reversal of 138285034 is 430582831.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 120670225 + 17614809 = 10985^2 + 4197^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147909 + ... + 148840.

Almost surely, 2^138285034 is an apocalyptic number.

138285034 is a deficient number, since it is larger than the sum of its proper divisors (70033466).

138285034 is a wasteful number, since it uses less digits than its factorization.

138285034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296984.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 138285034 is about 11759.4657191558. The cubic root of 138285034 is about 517.1204669723.

The spelling of 138285034 in words is "one hundred thirty-eight million, two hundred eighty-five thousand, thirty-four".