135312630 has 16 divisors (see below), whose sum is σ = 324750384. Its totient is φ = 36083360.

The previous prime is 135312607. The next prime is 135312643. The reversal of 135312630 is 36213531.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 135312630.

It is a congruent number.

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, 2255181 + ... + 2255240.

It is an arithmetic number, because the mean of its divisors is an integer number (20296899).

Almost surely, 2^135312630 is an apocalyptic number.

135312630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135312630 is an abundant number, since it is smaller than the sum of its proper divisors (189437754).

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

135312630 is a wasteful number, since it uses less digits than its factorization.

135312630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4510431.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 135312630 is about 11632.3957119761. The cubic root of 135312630 is about 513.3884711486.

Subtracting from 135312630 its reverse (36213531), we obtain a palindrome (99099099).

It can be divided in two parts, 13531 and 2630, that added together give a palindrome (16161).

The spelling of 135312630 in words is "one hundred thirty-five million, three hundred twelve thousand, six hundred thirty".