136403650 has 12 divisors (see below), whose sum is σ = 253710882. Its totient is φ = 54561440.

The previous prime is 136403629. The next prime is 136403651. The reversal of 136403650 is 56304631.

It can be written as a sum of positive squares in 3 ways, for example, as 90611361 + 45792289 = 9519^2 + 6767^2 .

It is not an unprimeable number, because it can be changed into a prime (136403651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1363987 + ... + 1364086.

Almost surely, 2^136403650 is an apocalyptic number.

136403650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136403650 is a deficient number, since it is larger than the sum of its proper divisors (117307232).

136403650 is a wasteful number, since it uses less digits than its factorization.

136403650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728085 (or 2728080 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 136403650 is about 11679.1973183092. The cubic root of 136403650 is about 514.7645890492.

The spelling of 136403650 in words is "one hundred thirty-six million, four hundred three thousand, six hundred fifty".