140004105 has 32 divisors (see below), whose sum is σ = 234786816. Its totient is φ = 71104704.

The previous prime is 140004097. The next prime is 140004121. The reversal of 140004105 is 501400041.

It is not a de Polignac number, because 140004105 - 2³ = 140004097 is a prime.

It is a super-2 number, since 2×140004105² = 39202298833702050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89964 + ... + 91506.

It is an arithmetic number, because the mean of its divisors is an integer number (7337088).

Almost surely, 2^140004105 is an apocalyptic number.

140004105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140004105 is a deficient number, since it is larger than the sum of its proper divisors (94782711).

140004105 is a wasteful number, since it uses less digits than its factorization.

140004105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 140004105 is about 11832.3330328385. Note that the first 3 decimals coincide. The cubic root of 140004105 is about 519.2544851803.

Adding to 140004105 its reverse (501400041), we get a palindrome (641404146).

The spelling of 140004105 in words is "one hundred forty million, four thousand, one hundred five".