135555413 has 12 divisors (see below), whose sum is σ = 158075820. Its totient is φ = 115903872.

The previous prime is 135555377. The next prime is 135555437. The reversal of 135555413 is 314555531.

It can be written as a sum of positive squares in 2 ways, for example, as 5207524 + 130347889 = 2282^2 + 11417^2 .

It is not a de Polignac number, because 135555413 - 2⁶ = 135555349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135555413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135555493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18023 + ... + 24411.

It is an arithmetic number, because the mean of its divisors is an integer number (13172985).

Almost surely, 2^135555413 is an apocalyptic number.

It is an amenable number.

135555413 is a deficient number, since it is larger than the sum of its proper divisors (22520407).

135555413 is an equidigital number, since it uses as much as digits as its factorization.

135555413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6836 (or 6829 counting only the distinct ones).

The product of its digits is 22500, while the sum is 32.

The square root of 135555413 is about 11642.8266756832. The cubic root of 135555413 is about 513.6953346484.

The spelling of 135555413 in words is "one hundred thirty-five million, five hundred fifty-five thousand, four hundred thirteen".