100140613 has 4 divisors (see below), whose sum is σ = 100166220. Its totient is φ = 100115008.

The previous prime is 100140587. The next prime is 100140629. The reversal of 100140613 is 316041001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 47983329 + 52157284 = 6927^2 + 7222^2 .

It is a cyclic number.

It is not a de Polignac number, because 100140613 - 2²⁵ = 66586181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100140653) 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, 5578 + ... + 15211.

It is an arithmetic number, because the mean of its divisors is an integer number (25041555).

Almost surely, 2^100140613 is an apocalyptic number.

It is an amenable number.

100140613 is a deficient number, since it is larger than the sum of its proper divisors (25607).

100140613 is an equidigital number, since it uses as much as digits as its factorization.

100140613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25606.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 100140613 is about 10007.0281802341. The cubic root of 100140613 is about 464.3763373805.

Adding to 100140613 its reverse (316041001), we get a palindrome (416181614).

It can be divided in two parts, 1001 and 40613, that added together give a palindrome (41614).

The spelling of 100140613 in words is "one hundred million, one hundred forty thousand, six hundred thirteen".