107748139 has 4 divisors (see below), whose sum is σ = 107873856. Its totient is φ = 107622424.

The previous prime is 107748119. The next prime is 107748149. The reversal of 107748139 is 931847701.

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

It is a cyclic number.

It is not a de Polignac number, because 107748139 - 2¹¹ = 107746091 is a prime.

It is a super-2 number, since 2×107748139² = 23219322915926642, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107748119) 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, 61564 + ... + 63289.

It is an arithmetic number, because the mean of its divisors is an integer number (26968464).

Almost surely, 2^107748139 is an apocalyptic number.

107748139 is a deficient number, since it is larger than the sum of its proper divisors (125717).

107748139 is an equidigital number, since it uses as much as digits as its factorization.

107748139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125716.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 107748139 is about 10380.1801044105. The cubic root of 107748139 is about 475.8498381765.

The spelling of 107748139 in words is "one hundred seven million, seven hundred forty-eight thousand, one hundred thirty-nine".