101389655 has 16 divisors (see below), whose sum is σ = 126550080. Its totient is φ = 77887488.

The previous prime is 101389637. The next prime is 101389661. The reversal of 101389655 is 556983101.

It is a cyclic number.

It is not a de Polignac number, because 101389655 - 2¹⁴ = 101373271 is a prime.

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, 26174 + ... + 29796.

It is an arithmetic number, because the mean of its divisors is an integer number (7909380).

Almost surely, 2^101389655 is an apocalyptic number.

101389655 is a deficient number, since it is larger than the sum of its proper divisors (25160425).

101389655 is a wasteful number, since it uses less digits than its factorization.

101389655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 101389655 is about 10069.2430202076. The cubic root of 101389655 is about 466.2990690761.

The spelling of 101389655 in words is "one hundred one million, three hundred eighty-nine thousand, six hundred fifty-five".