135558147 has 4 divisors (see below), whose sum is σ = 180744200. Its totient is φ = 90372096.

The previous prime is 135558139. The next prime is 135558161. The reversal of 135558147 is 741855531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741855531 = 3 ⋅247285177.

It is not a de Polignac number, because 135558147 - 2³ = 135558139 is a prime.

It is a super-2 number, since 2×135558147² = 36752022436147218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135558107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22593022 + ... + 22593027.

It is an arithmetic number, because the mean of its divisors is an integer number (45186050).

Almost surely, 2^135558147 is an apocalyptic number.

135558147 is a deficient number, since it is larger than the sum of its proper divisors (45186053).

135558147 is an equidigital number, since it uses as much as digits as its factorization.

135558147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45186052.

The product of its digits is 84000, while the sum is 39.

The square root of 135558147 is about 11642.9440864414. The cubic root of 135558147 is about 513.6987881773.

The spelling of 135558147 in words is "one hundred thirty-five million, five hundred fifty-eight thousand, one hundred forty-seven".