10172138 has 8 divisors (see below), whose sum is σ = 15308832. Its totient is φ = 5069196.

The previous prime is 10172093. The next prime is 10172143. The reversal of 10172138 is 83127101.

It is a happy number.

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, 7670 + ... + 8897.

It is an arithmetic number, because the mean of its divisors is an integer number (1913604).

Almost surely, 2^10172138 is an apocalyptic number.

10172138 is a deficient number, since it is larger than the sum of its proper divisors (5136694).

10172138 is a wasteful number, since it uses less digits than its factorization.

10172138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16876.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 10172138 is about 3189.3789364075. The cubic root of 10172138 is about 216.6726430962.

Adding to 10172138 its reverse (83127101), we get a palindrome (93299239).

The spelling of 10172138 in words is "ten million, one hundred seventy-two thousand, one hundred thirty-eight".