135638630 has 16 divisors (see below), whose sum is σ = 244461024. Its totient is φ = 54186240.

The previous prime is 135638627. The next prime is 135638639. The reversal of 135638630 is 36836531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135638639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11 + ... + 16470.

It is an arithmetic number, because the mean of its divisors is an integer number (15278814).

Almost surely, 2^135638630 is an apocalyptic number.

135638630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135638630 is a deficient number, since it is larger than the sum of its proper divisors (108822394).

135638630 is a wasteful number, since it uses less digits than its factorization.

135638630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17311.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 135638630 is about 11646.3998729221. The cubic root of 135638630 is about 513.8004317425.

The spelling of 135638630 in words is "one hundred thirty-five million, six hundred thirty-eight thousand, six hundred thirty".