136305250 has 32 divisors (see below), whose sum is σ = 255855600. Its totient is φ = 54374400.

The previous prime is 136305203. The next prime is 136305317. The reversal of 136305250 is 52503631.

It is a happy number.

136305250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 885481 + 135419769 = 941^2 + 11637^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176866 + ... + 177634.

Almost surely, 2^136305250 is an apocalyptic number.

136305250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136305250 is a deficient number, since it is larger than the sum of its proper divisors (119550350).

136305250 is an equidigital number, since it uses as much as digits as its factorization.

136305250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495 (or 1485 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 136305250 is about 11674.9839400318. The cubic root of 136305250 is about 514.6407775516.

Adding to 136305250 its reverse (52503631), we get a palindrome (188808881).

The spelling of 136305250 in words is "one hundred thirty-six million, three hundred five thousand, two hundred fifty".