106143389 has 8 divisors (see below), whose sum is σ = 116276160. Its totient is φ = 96091200.

The previous prime is 106143379. The next prime is 106143391. The reversal of 106143389 is 983341601.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106143389 is a prime.

It is a super-2 number, since 2×106143389² = 22532838056810642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106143379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17369 + ... + 22670.

It is an arithmetic number, because the mean of its divisors is an integer number (14534520).

Almost surely, 2^106143389 is an apocalyptic number.

It is an amenable number.

106143389 is a deficient number, since it is larger than the sum of its proper divisors (10132771).

106143389 is a wasteful number, since it uses less digits than its factorization.

106143389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40291.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 106143389 is about 10302.5913730479. The cubic root of 106143389 is about 473.4756511258.

The spelling of 106143389 in words is "one hundred six million, one hundred forty-three thousand, three hundred eighty-nine".