10206138 has 8 divisors (see below), whose sum is σ = 20412288. Its totient is φ = 3402044.

The previous prime is 10206121. The next prime is 10206149. The reversal of 10206138 is 83160201.

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

10206138 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850506 + ... + 850517.

It is an arithmetic number, because the mean of its divisors is an integer number (2551536).

Almost surely, 2^10206138 is an apocalyptic number.

10206138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10206138 is a wasteful number, since it uses less digits than its factorization.

10206138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701028.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 10206138 is about 3194.7046811873. The cubic root of 10206138 is about 216.9137814305.

Adding to 10206138 its reverse (83160201), we get a palindrome (93366339).

The spelling of 10206138 in words is "ten million, two hundred six thousand, one hundred thirty-eight".