10198138 has 8 divisors (see below), whose sum is σ = 15653088. Its totient is φ = 4980444.

The previous prime is 10198121. The next prime is 10198151. The reversal of 10198138 is 83189101.

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

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, 59206 + ... + 59377.

It is an arithmetic number, because the mean of its divisors is an integer number (1956636).

Almost surely, 2^10198138 is an apocalyptic number.

10198138 is a deficient number, since it is larger than the sum of its proper divisors (5454950).

10198138 is a wasteful number, since it uses less digits than its factorization.

10198138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118628.

The product of its (nonzero) digits is 1728, while the sum is 31.

The square root of 10198138 is about 3193.4523638219. The cubic root of 10198138 is about 216.8570912358.

The spelling of 10198138 in words is "ten million, one hundred ninety-eight thousand, one hundred thirty-eight".