101646138 has 32 divisors (see below), whose sum is σ = 222630912. Its totient is φ = 30682800.

The previous prime is 101646133. The next prime is 101646151. The reversal of 101646138 is 831646101.

It is not an unprimeable number, because it can be changed into a prime (101646133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15045 + ... + 20727.

It is an arithmetic number, because the mean of its divisors is an integer number (6957216).

Almost surely, 2^101646138 is an apocalyptic number.

101646138 is an abundant number, since it is smaller than the sum of its proper divisors (120984774).

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

101646138 is a wasteful number, since it uses less digits than its factorization.

101646138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5970.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 101646138 is about 10081.9709382640. The cubic root of 101646138 is about 466.6919332125.

The spelling of 101646138 in words is "one hundred one million, six hundred forty-six thousand, one hundred thirty-eight".