138029014 has 4 divisors (see below), whose sum is σ = 207043524. Its totient is φ = 69014506.

The previous prime is 138028999. The next prime is 138029029. The reversal of 138029014 is 410920831.

It is a happy number.

138029014 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (138028999) and next prime (138029029).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34507252 + ... + 34507255.

It is an arithmetic number, because the mean of its divisors is an integer number (51760881).

Almost surely, 2^138029014 is an apocalyptic number.

138029014 is a deficient number, since it is larger than the sum of its proper divisors (69014510).

138029014 is an equidigital number, since it uses as much as digits as its factorization.

138029014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69014509.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 138029014 is about 11748.5749774175. The cubic root of 138029014 is about 516.8011386830.

Adding to 138029014 its reverse (410920831), we get a palindrome (548949845).

The spelling of 138029014 in words is "one hundred thirty-eight million, twenty-nine thousand, fourteen".