135806830 has 16 divisors (see below), whose sum is σ = 244769040. Its totient is φ = 54252352.

The previous prime is 135806819. The next prime is 135806831. The reversal of 135806830 is 38608531.

It is a happy number.

135806830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135806831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304 + ... + 16483.

It is an arithmetic number, because the mean of its divisors is an integer number (15298065).

Almost surely, 2^135806830 is an apocalyptic number.

135806830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135806830 is a deficient number, since it is larger than the sum of its proper divisors (108962210).

135806830 is a wasteful number, since it uses less digits than its factorization.

135806830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17603.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 135806830 is about 11653.6187512721. The cubic root of 135806830 is about 514.0127250858.

The spelling of 135806830 in words is "one hundred thirty-five million, eight hundred six thousand, eight hundred thirty".