135577955 has 4 divisors (see below), whose sum is σ = 162693552. Its totient is φ = 108462360.

The previous prime is 135577921. The next prime is 135577957. The reversal of 135577955 is 559775531.

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

It is not a de Polignac number, because 135577955 - 2¹² = 135573859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135577957) 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, 13557791 + ... + 13557800.

It is an arithmetic number, because the mean of its divisors is an integer number (40673388).

Almost surely, 2^135577955 is an apocalyptic number.

135577955 is a deficient number, since it is larger than the sum of its proper divisors (27115597).

135577955 is an equidigital number, since it uses as much as digits as its factorization.

135577955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27115596.

The product of its digits is 826875, while the sum is 47.

The square root of 135577955 is about 11643.7946993238. The cubic root of 135577955 is about 513.7238078220.

It can be divided in two parts, 13557 and 7955, that added together give a palindrome (21512).

The spelling of 135577955 in words is "one hundred thirty-five million, five hundred seventy-seven thousand, nine hundred fifty-five".