136530752 has 14 divisors (see below), whose sum is σ = 270928338. Its totient is φ = 68265344.

The previous prime is 136530743. The next prime is 136530787. The reversal of 136530752 is 257035631.

It can be written as a sum of positive squares in only one way, i.e., 105349696 + 31181056 = 10264^2 + 5584^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066583 + ... + 1066710.

Almost surely, 2^136530752 is an apocalyptic number.

It is an amenable number.

136530752 is a deficient number, since it is larger than the sum of its proper divisors (134397586).

136530752 is an equidigital number, since it uses as much as digits as its factorization.

136530752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133305 (or 2133295 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 136530752 is about 11684.6374355390. The cubic root of 136530752 is about 514.9244266521.

The spelling of 136530752 in words is "one hundred thirty-six million, five hundred thirty thousand, seven hundred fifty-two".