135556753513 has 4 divisors (see below), whose sum is σ = 135858662100. Its totient is φ = 135254844928.

The previous prime is 135556753457. The next prime is 135556753523. The reversal of 135556753513 is 315357655531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 114597821529 + 20958931984 = 338523^2 + 144772^2 .

It is a cyclic number.

It is not a de Polignac number, because 135556753513 - 2⁹ = 135556753001 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135556753523) 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, 150953620 + ... + 150954517.

It is an arithmetic number, because the mean of its divisors is an integer number (33964665525).

Almost surely, 2^135556753513 is an apocalyptic number.

It is an amenable number.

135556753513 is a deficient number, since it is larger than the sum of its proper divisors (301908587).

135556753513 is an equidigital number, since it uses as much as digits as its factorization.

135556753513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301908586.

The product of its digits is 3543750, while the sum is 49.

The spelling of 135556753513 in words is "one hundred thirty-five billion, five hundred fifty-six million, seven hundred fifty-three thousand, five hundred thirteen".