135422481 has 8 divisors (see below), whose sum is σ = 190066720. Its totient is φ = 85529952.

The previous prime is 135422461. The next prime is 135422491. The reversal of 135422481 is 184224531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135422481 - 2⁹ = 135421969 is a prime.

It is a super-2 number, since 2×135422481² = 36678496720390722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135422461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1187860 + ... + 1187973.

It is an arithmetic number, because the mean of its divisors is an integer number (23758340).

Almost surely, 2^135422481 is an apocalyptic number.

It is an amenable number.

135422481 is a deficient number, since it is larger than the sum of its proper divisors (54644239).

135422481 is a wasteful number, since it uses less digits than its factorization.

135422481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375855.

The product of its digits is 7680, while the sum is 30.

The square root of 135422481 is about 11637.1165242942. The cubic root of 135422481 is about 513.5273618110.

The spelling of 135422481 in words is "one hundred thirty-five million, four hundred twenty-two thousand, four hundred eighty-one".