135331153505 has 4 divisors (see below), whose sum is σ = 162397384212. Its totient is φ = 108264922800.

The previous prime is 135331153501. The next prime is 135331153541. The reversal of 135331153505 is 505351133531.

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 55160628769 + 80170524736 = 234863^2 + 283144^2 .

It is not a de Polignac number, because 135331153505 - 2² = 135331153501 is a prime.

It is a super-2 number, since 2×135331153505² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135331153501) 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, 13533115346 + ... + 13533115355.

It is an arithmetic number, because the mean of its divisors is an integer number (40599346053).

Almost surely, 2^135331153505 is an apocalyptic number.

It is an amenable number.

135331153505 is a deficient number, since it is larger than the sum of its proper divisors (27066230707).

135331153505 is an equidigital number, since it uses as much as digits as its factorization.

135331153505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27066230706.

The product of its (nonzero) digits is 50625, while the sum is 35.

The spelling of 135331153505 in words is "one hundred thirty-five billion, three hundred thirty-one million, one hundred fifty-three thousand, five hundred five".