138575354 has 4 divisors (see below), whose sum is σ = 207863034. Its totient is φ = 69287676.

The previous prime is 138575293. The next prime is 138575377. The reversal of 138575354 is 453575831.

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

It can be written as a sum of positive squares in only one way, i.e., 93993025 + 44582329 = 9695^2 + 6677^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34643837 + ... + 34643840.

Almost surely, 2^138575354 is an apocalyptic number.

138575354 is a deficient number, since it is larger than the sum of its proper divisors (69287680).

138575354 is an equidigital number, since it uses as much as digits as its factorization.

138575354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69287679.

The product of its digits is 252000, while the sum is 41.

The square root of 138575354 is about 11771.8033452823. The cubic root of 138575354 is about 517.4821004023.

The spelling of 138575354 in words is "one hundred thirty-eight million, five hundred seventy-five thousand, three hundred fifty-four".