138710182 has 16 divisors (see below), whose sum is σ = 231299712. Its totient is φ = 61954560.

The previous prime is 138710179. The next prime is 138710183. The reversal of 138710182 is 281017831.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138710183) 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, 85243 + ... + 86854.

It is an arithmetic number, because the mean of its divisors is an integer number (14456232).

Almost surely, 2^138710182 is an apocalyptic number.

138710182 is a deficient number, since it is larger than the sum of its proper divisors (92589530).

138710182 is a wasteful number, since it uses less digits than its factorization.

138710182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172143.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 138710182 is about 11777.5286881417. The cubic root of 138710182 is about 517.6498754521.

The spelling of 138710182 in words is "one hundred thirty-eight million, seven hundred ten thousand, one hundred eighty-two".