106143390 has 96 divisors (see below), whose sum is σ = 294368256. Its totient is φ = 26473920.

The previous prime is 106143379. The next prime is 106143391. The reversal of 106143390 is 93341601.

106143390 is a `hidden beast` number, since 10 + 614 + 3 + 39 + 0 = 666.

It is a super-2 number, since 2×106143390² = 22532838481384200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106143391) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96745 + ... + 97835.

It is an arithmetic number, because the mean of its divisors is an integer number (3066336).

Almost surely, 2^106143390 is an apocalyptic number.

106143390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 106143390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147184128).

106143390 is an abundant number, since it is smaller than the sum of its proper divisors (188224866).

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

106143390 is a wasteful number, since it uses less digits than its factorization.

106143390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174 (or 1171 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 106143390 is about 10302.5914215793. The cubic root of 106143390 is about 473.4756526127.

Adding to 106143390 its reverse (93341601), we get a palindrome (199484991).

The spelling of 106143390 in words is "one hundred six million, one hundred forty-three thousand, three hundred ninety".