138527193 has 8 divisors (see below), whose sum is σ = 211089088. Its totient is φ = 79158384.

The previous prime is 138527173. The next prime is 138527201. The reversal of 138527193 is 391725831.

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

It is not a de Polignac number, because 138527193 - 2⁸ = 138526937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (138527173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3298246 + ... + 3298287.

It is an arithmetic number, because the mean of its divisors is an integer number (26386136).

Almost surely, 2^138527193 is an apocalyptic number.

It is an amenable number.

138527193 is a deficient number, since it is larger than the sum of its proper divisors (72561895).

138527193 is an equidigital number, since it uses as much as digits as its factorization.

138527193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6596543.

The product of its digits is 45360, while the sum is 39.

The square root of 138527193 is about 11769.7575591004. The cubic root of 138527193 is about 517.4221442305.

The spelling of 138527193 in words is "one hundred thirty-eight million, five hundred twenty-seven thousand, one hundred ninety-three".