135651188 has 12 divisors (see below), whose sum is σ = 238376292. Its totient is φ = 67543680.

The previous prime is 135651169. The next prime is 135651199. The reversal of 135651188 is 881156531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 120736144 + 14915044 = 10988^2 + 3862^2 .

It is a super-2 number, since 2×135651188² = 36802489611622688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69395 + ... + 71322.

It is an arithmetic number, because the mean of its divisors is an integer number (19864691).

Almost surely, 2^135651188 is an apocalyptic number.

It is an amenable number.

135651188 is a deficient number, since it is larger than the sum of its proper divisors (102725104).

135651188 is a wasteful number, since it uses less digits than its factorization.

135651188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140962 (or 140960 counting only the distinct ones).

The product of its digits is 28800, while the sum is 38.

The square root of 135651188 is about 11646.9389970069. The cubic root of 135651188 is about 513.8162878614.

The spelling of 135651188 in words is "one hundred thirty-five million, six hundred fifty-one thousand, one hundred eighty-eight".