135467623 has 2 divisors, whose sum is σ = 135467624. Its totient is φ = 135467622.

The previous prime is 135467617. The next prime is 135467639. The reversal of 135467623 is 326764531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135467623 - 2²⁵ = 101913191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135467603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67733811 + 67733812.

It is an arithmetic number, because the mean of its divisors is an integer number (67733812).

Almost surely, 2^135467623 is an apocalyptic number.

135467623 is a deficient number, since it is larger than the sum of its proper divisors (1).

135467623 is an equidigital number, since it uses as much as digits as its factorization.

135467623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 37.

The square root of 135467623 is about 11639.0559325059. The cubic root of 135467623 is about 513.5844155504.

The spelling of 135467623 in words is "one hundred thirty-five million, four hundred sixty-seven thousand, six hundred twenty-three".