135975801 has 8 divisors (see below), whose sum is σ = 195247360. Its totient is φ = 83677392.

The previous prime is 135975797. The next prime is 135975817. The reversal of 135975801 is 108579531.

135975801 is digitally balanced in base 2, 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 not a de Polignac number, because 135975801 - 2² = 135975797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 3486559 = 135975801 / (1 + 3 + 5 + 9 + 7 + 5 + 8 + 0 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135975801.

It is not an unprimeable number, because it can be changed into a prime (135975821) 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, 1743241 + ... + 1743318.

It is an arithmetic number, because the mean of its divisors is an integer number (24405920).

Almost surely, 2^135975801 is an apocalyptic number.

It is an amenable number.

135975801 is a deficient number, since it is larger than the sum of its proper divisors (59271559).

135975801 is a wasteful number, since it uses less digits than its factorization.

135975801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3486575.

The product of its (nonzero) digits is 37800, while the sum is 39.

The square root of 135975801 is about 11660.8662199684. The cubic root of 135975801 is about 514.2258151248.

The spelling of 135975801 in words is "one hundred thirty-five million, nine hundred seventy-five thousand, eight hundred one".