138852355 has 8 divisors (see below), whose sum is σ = 167742000. Its totient is φ = 110335776.

The previous prime is 138852349. The next prime is 138852367. The reversal of 138852355 is 553258831.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 138852355 - 2³ = 138852347 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92445 + ... + 93934.

It is an arithmetic number, because the mean of its divisors is an integer number (20967750).

Almost surely, 2^138852355 is an apocalyptic number.

138852355 is a deficient number, since it is larger than the sum of its proper divisors (28889645).

138852355 is a wasteful number, since it uses less digits than its factorization.

138852355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186533.

The product of its digits is 144000, while the sum is 40.

The square root of 138852355 is about 11783.5629161981. The cubic root of 138852355 is about 517.8266726288.

The spelling of 138852355 in words is "one hundred thirty-eight million, eight hundred fifty-two thousand, three hundred fifty-five".