103140035643 has 4 divisors (see below), whose sum is σ = 137520047528. Its totient is φ = 68760023760.

The previous prime is 103140035629. The next prime is 103140035681. The reversal of 103140035643 is 346530041301.

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

It is not a de Polignac number, because 103140035643 - 2²² = 103135841339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103140035643.

It is not an unprimeable number, because it can be changed into a prime (103140033643) 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 3 ways as a sum of consecutive naturals, for example, 17190005938 + ... + 17190005943.

It is an arithmetic number, because the mean of its divisors is an integer number (34380011882).

Almost surely, 2^103140035643 is an apocalyptic number.

103140035643 is a deficient number, since it is larger than the sum of its proper divisors (34380011885).

103140035643 is an equidigital number, since it uses as much as digits as its factorization.

103140035643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34380011884.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 103140035643 its reverse (346530041301), we get a palindrome (449670076944).

The spelling of 103140035643 in words is "one hundred three billion, one hundred forty million, thirty-five thousand, six hundred forty-three".