135939630 has 16 divisors (see below), whose sum is σ = 326255184. Its totient is φ = 36250560.

The previous prime is 135939613. The next prime is 135939673. The reversal of 135939630 is 36939531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2265631 + ... + 2265690.

It is an arithmetic number, because the mean of its divisors is an integer number (20390949).

Almost surely, 2^135939630 is an apocalyptic number.

135939630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135939630 is an abundant number, since it is smaller than the sum of its proper divisors (190315554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135939630 is a wasteful number, since it uses less digits than its factorization.

135939630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4531331.

The product of its (nonzero) digits is 65610, while the sum is 39.

The square root of 135939630 is about 11659.3151599912. The cubic root of 135939630 is about 514.1802145808.

Subtracting from 135939630 its reverse (36939531), we obtain a palindrome (99000099).

The spelling of 135939630 in words is "one hundred thirty-five million, nine hundred thirty-nine thousand, six hundred thirty".