75034139 has 2 divisors, whose sum is σ = 75034140. Its totient is φ = 75034138.

The previous prime is 75034133. The next prime is 75034151. The reversal of 75034139 is 93143057.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75034139 - 2⁴ = 75034123 is a prime.

It is not a weakly prime, because it can be changed into another prime (75034133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37517069 + 37517070.

It is an arithmetic number, because the mean of its divisors is an integer number (37517070).

Almost surely, 2^75034139 is an apocalyptic number.

75034139 is a deficient number, since it is larger than the sum of its proper divisors (1).

75034139 is an equidigital number, since it uses as much as digits as its factorization.

75034139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 75034139 is about 8662.2248296843. The cubic root of 75034139 is about 421.7803094953.

The spelling of 75034139 in words is "seventy-five million, thirty-four thousand, one hundred thirty-nine".