138072153 has 8 divisors (see below), whose sum is σ = 185785600. Its totient is φ = 91203408.

The previous prime is 138072139. The next prime is 138072157. The reversal of 138072153 is 351270831.

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

It is not a de Polignac number, because 138072153 - 2²⁰ = 137023577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 138072153.

It is not an unprimeable number, because it can be changed into a prime (138072157) 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, 210793 + ... + 211446.

It is an arithmetic number, because the mean of its divisors is an integer number (23223200).

Almost surely, 2^138072153 is an apocalyptic number.

It is an amenable number.

138072153 is a deficient number, since it is larger than the sum of its proper divisors (47713447).

138072153 is a wasteful number, since it uses less digits than its factorization.

138072153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422351.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 138072153 is about 11750.4107587778. The cubic root of 138072153 is about 516.8549726837.

The spelling of 138072153 in words is "one hundred thirty-eight million, seventy-two thousand, one hundred fifty-three".