135231830 has 8 divisors (see below), whose sum is σ = 243417312. Its totient is φ = 54092728.

The previous prime is 135231791. The next prime is 135231869. The reversal of 135231830 is 38132531.

135231830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (135231791) and next prime (135231869).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 135231830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6761582 + ... + 6761601.

It is an arithmetic number, because the mean of its divisors is an integer number (30427164).

Almost surely, 2^135231830 is an apocalyptic number.

135231830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135231830 is a deficient number, since it is larger than the sum of its proper divisors (108185482).

135231830 is a wasteful number, since it uses less digits than its factorization.

135231830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13523190.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 135231830 is about 11628.9221340587. The cubic root of 135231830 is about 513.2862632765.

The spelling of 135231830 in words is "one hundred thirty-five million, two hundred thirty-one thousand, eight hundred thirty".