135593554 has 4 divisors (see below), whose sum is σ = 203390334. Its totient is φ = 67796776.

The previous prime is 135593539. The next prime is 135593561. The reversal of 135593554 is 455395531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 135140625 + 452929 = 11625^2 + 673^2 .

It is a super-2 number, since 2×135593554² = 36771223772701832, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33898387 + ... + 33898390.

Almost surely, 2^135593554 is an apocalyptic number.

135593554 is a deficient number, since it is larger than the sum of its proper divisors (67796780).

135593554 is an equidigital number, since it uses as much as digits as its factorization.

135593554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67796779.

The product of its digits is 202500, while the sum is 40.

The square root of 135593554 is about 11644.4645218232. The cubic root of 135593554 is about 513.7435093297.

The spelling of 135593554 in words is "one hundred thirty-five million, five hundred ninety-three thousand, five hundred fifty-four".