265060139 has 2 divisors, whose sum is σ = 265060140. Its totient is φ = 265060138.

The previous prime is 265060109. The next prime is 265060171. The reversal of 265060139 is 931060562.

It is a happy number.

It is an a-pointer prime, because the next prime (265060171) can be obtained adding 265060139 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265060139 is a prime.

It is not a weakly prime, because it can be changed into another prime (265060109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132530069 + 132530070.

It is an arithmetic number, because the mean of its divisors is an integer number (132530070).

Almost surely, 2^265060139 is an apocalyptic number.

265060139 is a deficient number, since it is larger than the sum of its proper divisors (1).

265060139 is an equidigital number, since it uses as much as digits as its factorization.

265060139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 265060139 is about 16280.6676460150. The cubic root of 265060139 is about 642.3644141517.

The spelling of 265060139 in words is "two hundred sixty-five million, sixty thousand, one hundred thirty-nine".