107840013 has 4 divisors (see below), whose sum is σ = 143786688. Its totient is φ = 71893340.

The previous prime is 107839987. The next prime is 107840017. The reversal of 107840013 is 310048701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 107840013 - 2⁸ = 107839757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107840017) 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, 17973333 + ... + 17973338.

It is an arithmetic number, because the mean of its divisors is an integer number (35946672).

Almost surely, 2^107840013 is an apocalyptic number.

It is an amenable number.

107840013 is a deficient number, since it is larger than the sum of its proper divisors (35946675).

107840013 is an equidigital number, since it uses as much as digits as its factorization.

107840013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35946674.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 107840013 is about 10384.6046145243. The cubic root of 107840013 is about 475.9850479615.

Adding to 107840013 its reverse (310048701), we get a palindrome (417888714).

The spelling of 107840013 in words is "one hundred seven million, eight hundred forty thousand, thirteen".