138048270 has 32 divisors (see below), whose sum is σ = 342005760. Its totient is φ = 35625120.

The previous prime is 138048269. The next prime is 138048283. The reversal of 138048270 is 72840831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73290 + ... + 75149.

It is an arithmetic number, because the mean of its divisors is an integer number (10687680).

Almost surely, 2^138048270 is an apocalyptic number.

138048270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138048270 is an abundant number, since it is smaller than the sum of its proper divisors (203957490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138048270 is a wasteful number, since it uses less digits than its factorization.

138048270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148480.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 138048270 is about 11749.3944524814. The cubic root of 138048270 is about 516.8251700073.

The spelling of 138048270 in words is "one hundred thirty-eight million, forty-eight thousand, two hundred seventy".