140105403 has 16 divisors (see below), whose sum is σ = 208717600. Its totient is φ = 92884320.

The previous prime is 140105401. The next prime is 140105437. The reversal of 140105403 is 304501041.

It is a happy number.

It is not a de Polignac number, because 140105403 - 2¹ = 140105401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140105401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9448 + ... + 19221.

It is an arithmetic number, because the mean of its divisors is an integer number (13044850).

Almost surely, 2^140105403 is an apocalyptic number.

140105403 is a deficient number, since it is larger than the sum of its proper divisors (68612197).

140105403 is a wasteful number, since it uses less digits than its factorization.

140105403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28859 (or 28853 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 140105403 is about 11836.6128178631. The cubic root of 140105403 is about 519.3796880808.

Adding to 140105403 its reverse (304501041), we get a palindrome (444606444).

The spelling of 140105403 in words is "one hundred forty million, one hundred five thousand, four hundred three".