103638142 has 8 divisors (see below), whose sum is σ = 156501000. Its totient is φ = 51471144.

The previous prime is 103638133. The next prime is 103638169. The reversal of 103638142 is 241836301.

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

It is a super-3 number, since 3×103638142³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103638142.

It is a congruent 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, 173592 + ... + 174187.

It is an arithmetic number, because the mean of its divisors is an integer number (19562625).

Almost surely, 2^103638142 is an apocalyptic number.

103638142 is a deficient number, since it is larger than the sum of its proper divisors (52862858).

103638142 is a wasteful number, since it uses less digits than its factorization.

103638142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347930.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 103638142 is about 10180.2820196692. The cubic root of 103638142 is about 469.7208875471.

The spelling of 103638142 in words is "one hundred three million, six hundred thirty-eight thousand, one hundred forty-two".