135780502 has 16 divisors (see below), whose sum is σ = 239278032. Its totient is φ = 56970720.

The previous prime is 135780497. The next prime is 135780551. The reversal of 135780502 is 205087531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237093 + ... + 237664.

It is an arithmetic number, because the mean of its divisors is an integer number (14954877).

Almost surely, 2^135780502 is an apocalyptic number.

135780502 is a deficient number, since it is larger than the sum of its proper divisors (103497530).

135780502 is a wasteful number, since it uses less digits than its factorization.

135780502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474783.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 135780502 is about 11652.4890903189. The cubic root of 135780502 is about 513.9795068212.

The spelling of 135780502 in words is "one hundred thirty-five million, seven hundred eighty thousand, five hundred two".