135443870 has 8 divisors (see below), whose sum is σ = 243798984. Its totient is φ = 54177544.

The previous prime is 135443857. The next prime is 135443887. The reversal of 135443870 is 78344531.

135443870 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 135443870.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6772184 + ... + 6772203.

It is an arithmetic number, because the mean of its divisors is an integer number (30474873).

Almost surely, 2^135443870 is an apocalyptic number.

135443870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135443870 is a deficient number, since it is larger than the sum of its proper divisors (108355114).

135443870 is a wasteful number, since it uses less digits than its factorization.

135443870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13544394.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 135443870 is about 11638.0354871430. The cubic root of 135443870 is about 513.5543963635.

The spelling of 135443870 in words is "one hundred thirty-five million, four hundred forty-three thousand, eight hundred seventy".