100140407 has 4 divisors (see below), whose sum is σ = 100227096. Its totient is φ = 100053720.

The previous prime is 100140377. The next prime is 100140427. The reversal of 100140407 is 704041001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 704041001 = 2957 ⋅238093.

It is a cyclic number.

It is not a de Polignac number, because 100140407 - 2¹⁰ = 100139383 is a prime.

It is a super-2 number, since 2×100140407² = 20056202228251298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100140427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41588 + ... + 43929.

It is an arithmetic number, because the mean of its divisors is an integer number (25056774).

Almost surely, 2^100140407 is an apocalyptic number.

100140407 is a deficient number, since it is larger than the sum of its proper divisors (86689).

100140407 is an equidigital number, since it uses as much as digits as its factorization.

100140407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86688.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 100140407 is about 10007.0178874628. The cubic root of 100140407 is about 464.3760189562.

Adding to 100140407 its reverse (704041001), we get a palindrome (804181408).

The spelling of 100140407 in words is "one hundred million, one hundred forty thousand, four hundred seven".