135820059 has 8 divisors (see below), whose sum is σ = 181213200. Its totient is φ = 90486816.

The previous prime is 135820057. The next prime is 135820063. The reversal of 135820059 is 950028531.

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

It is not a de Polignac number, because 135820059 - 2¹ = 135820057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135820057) 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, 9384 + ... + 18965.

It is an arithmetic number, because the mean of its divisors is an integer number (22651650).

Almost surely, 2^135820059 is an apocalyptic number.

135820059 is a deficient number, since it is larger than the sum of its proper divisors (45393141).

135820059 is a wasteful number, since it uses less digits than its factorization.

135820059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29949.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 135820059 is about 11654.1863293840. The cubic root of 135820059 is about 514.0294146086.

The spelling of 135820059 in words is "one hundred thirty-five million, eight hundred twenty thousand, fifty-nine".