136402305250 has 16 divisors (see below), whose sum is σ = 255345115896. Its totient is φ = 54560922000.

The previous prime is 136402305239. The next prime is 136402305271. The reversal of 136402305250 is 52503204631.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5201150161 + 131201155089 = 72119^2 + 362217^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272804361 + ... + 272804860.

Almost surely, 2^136402305250 is an apocalyptic number.

136402305250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136402305250 is a deficient number, since it is larger than the sum of its proper divisors (118942810646).

136402305250 is an equidigital number, since it uses as much as digits as its factorization.

136402305250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545609238 (or 545609228 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 136402305250 its reverse (52503204631), we get a palindrome (188905509881).

The spelling of 136402305250 in words is "one hundred thirty-six billion, four hundred two million, three hundred five thousand, two hundred fifty".