136221482 has 4 divisors (see below), whose sum is σ = 204332226. Its totient is φ = 68110740.

The previous prime is 136221467. The next prime is 136221539. The reversal of 136221482 is 284122631.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 135466321 + 755161 = 11639^2 + 869^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34055369 + ... + 34055372.

Almost surely, 2^136221482 is an apocalyptic number.

136221482 is a deficient number, since it is larger than the sum of its proper divisors (68110744).

136221482 is an equidigital number, since it uses as much as digits as its factorization.

136221482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68110743.

The product of its digits is 4608, while the sum is 29.

The square root of 136221482 is about 11671.3958890957. The cubic root of 136221482 is about 514.5353297595.

The spelling of 136221482 in words is "one hundred thirty-six million, two hundred twenty-one thousand, four hundred eighty-two".