138182206 has 24 divisors (see below), whose sum is σ = 218550024. Its totient is φ = 65516880.

The previous prime is 138182179. The next prime is 138182237. The reversal of 138182206 is 602281831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138100 + ... + 139096.

It is an arithmetic number, because the mean of its divisors is an integer number (9106251).

Almost surely, 2^138182206 is an apocalyptic number.

138182206 is a deficient number, since it is larger than the sum of its proper divisors (80367818).

138182206 is a wasteful number, since it uses less digits than its factorization.

138182206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176 (or 1153 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 138182206 is about 11755.0927686684. The cubic root of 138182206 is about 516.9922591989.

The spelling of 138182206 in words is "one hundred thirty-eight million, one hundred eighty-two thousand, two hundred six".