101875139 has 2 divisors, whose sum is σ = 101875140. Its totient is φ = 101875138.

The previous prime is 101875129. The next prime is 101875141. The reversal of 101875139 is 931578101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101875139 - 2²⁰ = 100826563 is a prime.

Together with 101875141, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 101875099 and 101875108.

It is not a weakly prime, because it can be changed into another prime (101875129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50937569 + 50937570.

It is an arithmetic number, because the mean of its divisors is an integer number (50937570).

Almost surely, 2^101875139 is an apocalyptic number.

101875139 is a deficient number, since it is larger than the sum of its proper divisors (1).

101875139 is an equidigital number, since it uses as much as digits as its factorization.

101875139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 35.

The square root of 101875139 is about 10093.3215048368. The cubic root of 101875139 is about 467.0421441270.

The spelling of 101875139 in words is "one hundred one million, eight hundred seventy-five thousand, one hundred thirty-nine".