53070139 has 2 divisors, whose sum is σ = 53070140. Its totient is φ = 53070138.

The previous prime is 53070133. The next prime is 53070151. The reversal of 53070139 is 93107035.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53070139 - 2⁷ = 53070011 is a prime.

It is not a weakly prime, because it can be changed into another prime (53070133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26535069 + 26535070.

It is an arithmetic number, because the mean of its divisors is an integer number (26535070).

Almost surely, 2^53070139 is an apocalyptic number.

53070139 is a deficient number, since it is larger than the sum of its proper divisors (1).

53070139 is an equidigital number, since it uses as much as digits as its factorization.

53070139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2835, while the sum is 28.

The square root of 53070139 is about 7284.9254628994. The cubic root of 53070139 is about 375.7942018321.

The spelling of 53070139 in words is "fifty-three million, seventy thousand, one hundred thirty-nine".