138552794 has 8 divisors (see below), whose sum is σ = 212662560. Its totient is φ = 67665276.

The previous prime is 138552793. The next prime is 138552811. The reversal of 138552794 is 497255831.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (138552793) 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 3 ways as a sum of consecutive naturals, for example, 805454 + ... + 805625.

It is an arithmetic number, because the mean of its divisors is an integer number (26582820).

Almost surely, 2^138552794 is an apocalyptic number.

138552794 is a deficient number, since it is larger than the sum of its proper divisors (74109766).

138552794 is a wasteful number, since it uses less digits than its factorization.

138552794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611124.

The product of its digits is 302400, while the sum is 44.

The square root of 138552794 is about 11770.8450843599. The cubic root of 138552794 is about 517.4540169338.

The spelling of 138552794 in words is "one hundred thirty-eight million, five hundred fifty-two thousand, seven hundred ninety-four".