75010139 has 2 divisors, whose sum is σ = 75010140. Its totient is φ = 75010138.

The previous prime is 75010127. The next prime is 75010141. The reversal of 75010139 is 93101057.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75010139 is a prime.

It is a Sophie Germain prime.

Together with 75010141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75010109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37505069 + 37505070.

It is an arithmetic number, because the mean of its divisors is an integer number (37505070).

Almost surely, 2^75010139 is an apocalyptic number.

75010139 is a deficient number, since it is larger than the sum of its proper divisors (1).

75010139 is an equidigital number, since it uses as much as digits as its factorization.

75010139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 75010139 is about 8660.8393934999. The cubic root of 75010139 is about 421.7353352697.

The spelling of 75010139 in words is "seventy-five million, ten thousand, one hundred thirty-nine".