138885153 has 8 divisors (see below), whose sum is σ = 202014816. Its totient is φ = 84172800.

The previous prime is 138885151. The next prime is 138885157. The reversal of 138885153 is 351588831.

It is a happy number.

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

It is not a de Polignac number, because 138885153 - 2¹ = 138885151 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (138885151) 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, 2104288 + ... + 2104353.

It is an arithmetic number, because the mean of its divisors is an integer number (25251852).

Almost surely, 2^138885153 is an apocalyptic number.

It is an amenable number.

138885153 is a deficient number, since it is larger than the sum of its proper divisors (63129663).

138885153 is a wasteful number, since it uses less digits than its factorization.

138885153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4208655.

The product of its digits is 115200, while the sum is 42.

The square root of 138885153 is about 11784.9545183679. The cubic root of 138885153 is about 517.8674409739.

The spelling of 138885153 in words is "one hundred thirty-eight million, eight hundred eighty-five thousand, one hundred fifty-three".