2107378139 has 2 divisors, whose sum is σ = 2107378140. Its totient is φ = 2107378138.

The previous prime is 2107378127. The next prime is 2107378153. The reversal of 2107378139 is 9318737012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2107378139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2107378096 and 2107378105.

It is not a weakly prime, because it can be changed into another prime (2107378159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053689069 + 1053689070.

It is an arithmetic number, because the mean of its divisors is an integer number (1053689070).

Almost surely, 2^2107378139 is an apocalyptic number.

2107378139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2107378139 is an equidigital number, since it uses as much as digits as its factorization.

2107378139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 2107378139 is about 45906.1884608165. The cubic root of 2107378139 is about 1282.0771407685.

The spelling of 2107378139 in words is "two billion, one hundred seven million, three hundred seventy-eight thousand, one hundred thirty-nine".