138200264 has 8 divisors (see below), whose sum is σ = 259125510. Its totient is φ = 69100128.

The previous prime is 138200233. The next prime is 138200303. The reversal of 138200264 is 462002831.

It can be written as a sum of positive squares in only one way, i.e., 111471364 + 26728900 = 10558^2 + 5170^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8637509 + ... + 8637524.

Almost surely, 2^138200264 is an apocalyptic number.

It is an amenable number.

138200264 is a deficient number, since it is larger than the sum of its proper divisors (120925246).

138200264 is a wasteful number, since it uses less digits than its factorization.

138200264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17275039 (or 17275035 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 138200264 is about 11755.8608361957. The cubic root of 138200264 is about 517.0147788364.

The spelling of 138200264 in words is "one hundred thirty-eight million, two hundred thousand, two hundred sixty-four".