138827302 has 4 divisors (see below), whose sum is σ = 208240956. Its totient is φ = 69413650.

The previous prime is 138827291. The next prime is 138827317. The reversal of 138827302 is 203728831.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 34706824 + ... + 34706827.

It is an arithmetic number, because the mean of its divisors is an integer number (52060239).

Almost surely, 2^138827302 is an apocalyptic number.

138827302 is a deficient number, since it is larger than the sum of its proper divisors (69413654).

138827302 is an equidigital number, since it uses as much as digits as its factorization.

138827302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69413653.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 138827302 is about 11782.4998196478. The cubic root of 138827302 is about 517.7955270955.

It can be divided in two parts, 138827 and 302, that added together give a square (139129 = 373²).

The spelling of 138827302 in words is "one hundred thirty-eight million, eight hundred twenty-seven thousand, three hundred two".