138296735 has 8 divisors (see below), whose sum is σ = 171309696. Its totient is φ = 107068320.

The previous prime is 138296681. The next prime is 138296749. The reversal of 138296735 is 537692831.

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

It is not a de Polignac number, because 138296735 - 2²⁰ = 137248159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445964 + ... + 446273.

It is an arithmetic number, because the mean of its divisors is an integer number (21413712).

Almost surely, 2^138296735 is an apocalyptic number.

138296735 is a deficient number, since it is larger than the sum of its proper divisors (33012961).

138296735 is an equidigital number, since it uses as much as digits as its factorization.

138296735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892273.

The product of its digits is 272160, while the sum is 44.

The square root of 138296735 is about 11759.9632227316. The cubic root of 138296735 is about 517.1350519585.

The spelling of 138296735 in words is "one hundred thirty-eight million, two hundred ninety-six thousand, seven hundred thirty-five".