138683148 has 24 divisors (see below), whose sum is σ = 323785728. Its totient is φ = 46200336.

The previous prime is 138683143. The next prime is 138683159. The reversal of 138683148 is 841386831.

It is not an unprimeable number, because it can be changed into a prime (138683143) 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, 34365 + ... + 38187.

It is an arithmetic number, because the mean of its divisors is an integer number (13491072).

Almost surely, 2^138683148 is an apocalyptic number.

It is an amenable number.

138683148 is an abundant number, since it is smaller than the sum of its proper divisors (185102580).

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

138683148 is a wasteful number, since it uses less digits than its factorization.

138683148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6853 (or 6851 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 138683148 is about 11776.3809381321. The cubic root of 138683148 is about 517.6162440446.

It can be divided in two parts, 138683 and 148, that added together give a palindrome (138831).

The spelling of 138683148 in words is "one hundred thirty-eight million, six hundred eighty-three thousand, one hundred forty-eight".