135577628 has 12 divisors (see below), whose sum is σ = 238386792. Its totient is φ = 67467120.

The previous prime is 135577627. The next prime is 135577661. The reversal of 135577628 is 826775531.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135577627) 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, 79475 + ... + 81162.

It is an arithmetic number, because the mean of its divisors is an integer number (19865566).

Almost surely, 2^135577628 is an apocalyptic number.

It is an amenable number.

135577628 is a deficient number, since it is larger than the sum of its proper divisors (102809164).

135577628 is a wasteful number, since it uses less digits than its factorization.

135577628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160852 (or 160850 counting only the distinct ones).

The product of its digits is 352800, while the sum is 44.

The square root of 135577628 is about 11643.7806575012. The cubic root of 135577628 is about 513.7233948055.

The spelling of 135577628 in words is "one hundred thirty-five million, five hundred seventy-seven thousand, six hundred twenty-eight".