135424553 has 8 divisors (see below), whose sum is σ = 148288320. Its totient is φ = 122652880.

The previous prime is 135424547. The next prime is 135424559. The reversal of 135424553 is 355424531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (135424547) and next prime (135424559).

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

It is a cyclic number.

It is not a de Polignac number, because 135424553 - 2⁶ = 135424489 is a prime.

It is a super-3 number, since 3×135424553³ (a number of 25 digits) contains 333 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 (135424559) 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, 19925 + ... + 25842.

It is an arithmetic number, because the mean of its divisors is an integer number (18536040).

Almost surely, 2^135424553 is an apocalyptic number.

It is an amenable number.

135424553 is a deficient number, since it is larger than the sum of its proper divisors (12863767).

135424553 is a wasteful number, since it uses less digits than its factorization.

135424553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46047.

The product of its digits is 36000, while the sum is 32.

The square root of 135424553 is about 11637.2055494436. The cubic root of 135424553 is about 513.5299808327.

The spelling of 135424553 in words is "one hundred thirty-five million, four hundred twenty-four thousand, five hundred fifty-three".