70135469 has 2 divisors, whose sum is σ = 70135470. Its totient is φ = 70135468.

The previous prime is 70135463. The next prime is 70135493. The reversal of 70135469 is 96453107.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46758244 + 23377225 = 6838^2 + 4835^2 .

It is a cyclic number.

It is not a de Polignac number, because 70135469 - 2⁴ = 70135453 is a prime.

It is a super-2 number, since 2×70135469² = 9837968023699922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70135463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35067734 + 35067735.

It is an arithmetic number, because the mean of its divisors is an integer number (35067735).

Almost surely, 2^70135469 is an apocalyptic number.

It is an amenable number.

70135469 is a deficient number, since it is larger than the sum of its proper divisors (1).

70135469 is an equidigital number, since it uses as much as digits as its factorization.

70135469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 70135469 is about 8374.6921734473. The cubic root of 70135469 is about 412.3942188508.

The spelling of 70135469 in words is "seventy million, one hundred thirty-five thousand, four hundred sixty-nine".