138567080 has 32 divisors (see below), whose sum is σ = 312114600. Its totient is φ = 55366656.

The previous prime is 138567061. The next prime is 138567097. The reversal of 138567080 is 80765831.

It can be written as a sum of positive squares in 4 ways, for example, as 117462244 + 21104836 = 10838^2 + 4594^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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 in 7 ways as a sum of consecutive naturals, for example, 63284 + ... + 65436.

Almost surely, 2^138567080 is an apocalyptic number.

138567080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138567080 is an abundant number, since it is smaller than the sum of its proper divisors (173547520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138567080 is a wasteful number, since it uses less digits than its factorization.

138567080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773 (or 3769 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 138567080 is about 11771.4519070504. The cubic root of 138567080 is about 517.4718009948.

The spelling of 138567080 in words is "one hundred thirty-eight million, five hundred sixty-seven thousand, eighty".