138010088 has 8 divisors (see below), whose sum is σ = 258768930. Its totient is φ = 69005040.

The previous prime is 138010087. The next prime is 138010099. The reversal of 138010088 is 880010831.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 114019684 + 23990404 = 10678^2 + 4898^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 138010088.

It is not an unprimeable number, because it can be changed into a prime (138010087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8625623 + ... + 8625638.

Almost surely, 2^138010088 is an apocalyptic number.

It is an amenable number.

138010088 is a deficient number, since it is larger than the sum of its proper divisors (120758842).

138010088 is a wasteful number, since it uses less digits than its factorization.

138010088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17251267 (or 17251263 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 138010088 is about 11747.7694904182. The cubic root of 138010088 is about 516.7775170179. Note that the first 3 decimals are identical.

The spelling of 138010088 in words is "one hundred thirty-eight million, ten thousand, eighty-eight".