138186753 has 8 divisors (see below), whose sum is σ = 193946400. Its totient is φ = 87275808.

The previous prime is 138186743. The next prime is 138186773. The reversal of 138186753 is 357681831.

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

It is not a de Polignac number, because 138186753 - 2⁶ = 138186689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138186703) 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, 1212108 + ... + 1212221.

It is an arithmetic number, because the mean of its divisors is an integer number (24243300).

Almost surely, 2^138186753 is an apocalyptic number.

It is an amenable number.

138186753 is a deficient number, since it is larger than the sum of its proper divisors (55759647).

138186753 is a wasteful number, since it uses less digits than its factorization.

138186753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424351.

The product of its digits is 120960, while the sum is 42.

The square root of 138186753 is about 11755.2861726119. The cubic root of 138186753 is about 516.9979298230.

The spelling of 138186753 in words is "one hundred thirty-eight million, one hundred eighty-six thousand, seven hundred fifty-three".