103138546 has 16 divisors (see below), whose sum is σ = 177310080. Its totient is φ = 44076960.

The previous prime is 103138543. The next prime is 103138559. The reversal of 103138546 is 645831301.

It is not an unprimeable number, because it can be changed into a prime (103138543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5235 + ... + 15286.

It is an arithmetic number, because the mean of its divisors is an integer number (11081880).

Almost surely, 2^103138546 is an apocalyptic number.

103138546 is a deficient number, since it is larger than the sum of its proper divisors (74171534).

103138546 is a wasteful number, since it uses less digits than its factorization.

103138546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20889.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 103138546 is about 10155.7149428290. The cubic root of 103138546 is about 468.9648956954.

Adding to 103138546 its reverse (645831301), we get a palindrome (748969847).

It can be divided in two parts, 103138 and 546, that added together give a square (103684 = 322²).

The spelling of 103138546 in words is "one hundred three million, one hundred thirty-eight thousand, five hundred forty-six".