135573955 has 8 divisors (see below), whose sum is σ = 177478704. Its totient is φ = 98599200.

The previous prime is 135573913. The next prime is 135573973. The reversal of 135573955 is 559375531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135573955 - 2⁹ = 135573443 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1232436 + ... + 1232545.

It is an arithmetic number, because the mean of its divisors is an integer number (22184838).

Almost surely, 2^135573955 is an apocalyptic number.

135573955 is a deficient number, since it is larger than the sum of its proper divisors (41904749).

135573955 is a wasteful number, since it uses less digits than its factorization.

135573955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464997.

The product of its digits is 354375, while the sum is 43.

The square root of 135573955 is about 11643.6229327474. The cubic root of 135573955 is about 513.7187555861.

The spelling of 135573955 in words is "one hundred thirty-five million, five hundred seventy-three thousand, nine hundred fifty-five".