135422805 has 32 divisors (see below), whose sum is σ = 249145344. Its totient is φ = 61528896.

The previous prime is 135422801. The next prime is 135422821. The reversal of 135422805 is 508224531.

It is not a de Polignac number, because 135422805 - 2² = 135422801 is a prime.

It is a super-2 number, since 2×135422805² = 36678672228136050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135422801) 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 in 31 ways as a sum of consecutive naturals, for example, 13674 + ... + 21396.

It is an arithmetic number, because the mean of its divisors is an integer number (7785792).

Almost surely, 2^135422805 is an apocalyptic number.

135422805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135422805 is a deficient number, since it is larger than the sum of its proper divisors (113722539).

135422805 is a wasteful number, since it uses less digits than its factorization.

135422805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7905.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 135422805 is about 11637.1304452601. The cubic root of 135422805 is about 513.5277713509.

The spelling of 135422805 in words is "one hundred thirty-five million, four hundred twenty-two thousand, eight hundred five".