135758828057 has 4 divisors (see below), whose sum is σ = 135760953396. Its totient is φ = 135756702720.

The previous prime is 135758828039. The next prime is 135758828077. The reversal of 135758828057 is 750828857531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 750828857531 = 8329 ⋅90146339.

It can be written as a sum of positive squares in 2 ways, for example, as 42409636096 + 93349191961 = 205936^2 + 305531^2 .

It is a cyclic number.

It is not a de Polignac number, because 135758828057 - 2¹⁶ = 135758762521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135758827987 and 135758828005.

It is not an unprimeable number, because it can be changed into a prime (135758828017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963788 + ... + 1095629.

It is an arithmetic number, because the mean of its divisors is an integer number (33940238349).

Almost surely, 2^135758828057 is an apocalyptic number.

It is an amenable number.

135758828057 is a deficient number, since it is larger than the sum of its proper divisors (2125339).

135758828057 is an equidigital number, since it uses as much as digits as its factorization.

135758828057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125338.

The product of its (nonzero) digits is 18816000, while the sum is 59.

The spelling of 135758828057 in words is "one hundred thirty-five billion, seven hundred fifty-eight million, eight hundred twenty-eight thousand, fifty-seven".