135005554 has 8 divisors (see below), whose sum is σ = 203986908. Its totient is φ = 67009920.

The previous prime is 135005531. The next prime is 135005593. The reversal of 135005554 is 455500531.

It can be written as a sum of positive squares in 2 ways, for example, as 133934329 + 1071225 = 11573^2 + 1035^2 .

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

It is a super-2 number, since 2×135005554² = 36452999221693832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246087 + ... + 246634.

Almost surely, 2^135005554 is an apocalyptic number.

135005554 is a deficient number, since it is larger than the sum of its proper divisors (68981354).

135005554 is a wasteful number, since it uses less digits than its factorization.

135005554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492860.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 135005554 is about 11619.1890422697. The cubic root of 135005554 is about 512.9998188742. Note that the first 3 decimals are identical.

The spelling of 135005554 in words is "one hundred thirty-five million, five thousand, five hundred fifty-four".