135006426 has 112 divisors (see below), whose sum is σ = 327375360. Its totient is φ = 41640480.

The previous prime is 135006383. The next prime is 135006427. The reversal of 135006426 is 624600531.

135006426 is a `hidden beast` number, since 13 + 5 + 0 + 0 + 642 + 6 = 666.

It is a super-2 number, since 2×135006426² = 36453470122586952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 135006426.

It is not an unprimeable number, because it can be changed into a prime (135006427) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1310691 + ... + 1310793.

Almost surely, 2^135006426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135006426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163687680).

135006426 is an abundant number, since it is smaller than the sum of its proper divisors (192368934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135006426 is a wasteful number, since it uses less digits than its factorization.

135006426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 135006426 is about 11619.2265663425. The cubic root of 135006426 is about 513.0009233594. Note that the first 3 decimals are identical.

Adding to 135006426 its reverse (624600531), we get a palindrome (759606957).

The spelling of 135006426 in words is "one hundred thirty-five million, six thousand, four hundred twenty-six".