138286654 has 16 divisors (see below), whose sum is σ = 226583280. Its totient is φ = 62775360.

The previous prime is 138286651. The next prime is 138286661. The reversal of 138286654 is 456682831.

138286654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 138286654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138286651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15082 + ... + 22450.

It is an arithmetic number, because the mean of its divisors is an integer number (14161455).

Almost surely, 2^138286654 is an apocalyptic number.

138286654 is a deficient number, since it is larger than the sum of its proper divisors (88296626).

138286654 is a wasteful number, since it uses less digits than its factorization.

138286654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8235.

The product of its digits is 276480, while the sum is 43.

The square root of 138286654 is about 11759.5345996345. The cubic root of 138286654 is about 517.1224863084.

The spelling of 138286654 in words is "one hundred thirty-eight million, two hundred eighty-six thousand, six hundred fifty-four".