138210153 has 8 divisors (see below), whose sum is σ = 195120288. Its totient is φ = 86720064.

The previous prime is 138210101. The next prime is 138210157. The reversal of 138210153 is 351012831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 138210153 - 2⁹ = 138209641 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (138210157) 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, 1354951 + ... + 1355052.

It is an arithmetic number, because the mean of its divisors is an integer number (24390036).

Almost surely, 2^138210153 is an apocalyptic number.

It is an amenable number.

138210153 is a deficient number, since it is larger than the sum of its proper divisors (56910135).

138210153 is a wasteful number, since it uses less digits than its factorization.

138210153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710023.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 138210153 is about 11756.2814273902. The cubic root of 138210153 is about 517.0271103064.

Adding to 138210153 its reverse (351012831), we get a palindrome (489222984).

The spelling of 138210153 in words is "one hundred thirty-eight million, two hundred ten thousand, one hundred fifty-three".