135222554 has 4 divisors (see below), whose sum is σ = 202833834. Its totient is φ = 67611276.

The previous prime is 135222547. The next prime is 135222569. The reversal of 135222554 is 455222531.

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., 133934329 + 1288225 = 11573^2 + 1135^2 .

It is a super-2 number, since 2×135222554² = 36570278220565832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33805637 + ... + 33805640.

Almost surely, 2^135222554 is an apocalyptic number.

135222554 is a deficient number, since it is larger than the sum of its proper divisors (67611280).

135222554 is an equidigital number, since it uses as much as digits as its factorization.

135222554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67611279.

The product of its digits is 12000, while the sum is 29.

The square root of 135222554 is about 11628.5232940387. The cubic root of 135222554 is about 513.2745270054.

The spelling of 135222554 in words is "one hundred thirty-five million, two hundred twenty-two thousand, five hundred fifty-four".