103140134 has 4 divisors (see below), whose sum is σ = 154710204. Its totient is φ = 51570066.

The previous prime is 103140077. The next prime is 103140181. The reversal of 103140134 is 431041301.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 25785032 + ... + 25785035.

It is an arithmetic number, because the mean of its divisors is an integer number (38677551).

Almost surely, 2^103140134 is an apocalyptic number.

103140134 is a deficient number, since it is larger than the sum of its proper divisors (51570070).

103140134 is an equidigital number, since it uses as much as digits as its factorization.

103140134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51570069.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 103140134 is about 10155.7931251084. The cubic root of 103140134 is about 468.9673025306.

Adding to 103140134 its reverse (431041301), we get a palindrome (534181435).

The spelling of 103140134 in words is "one hundred three million, one hundred forty thousand, one hundred thirty-four".