135122574623 has 8 divisors (see below), whose sum is σ = 136886830080. Its totient is φ = 133359665400.

The previous prime is 135122574617. The next prime is 135122574637. The reversal of 135122574623 is 326475221531.

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

It is a cyclic number.

It is not a de Polignac number, because 135122574623 - 2²⁰ = 135121526047 is a prime.

It is a super-2 number, since 2×135122574623² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135122574023) 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, 133715 + ... + 536772.

It is an arithmetic number, because the mean of its divisors is an integer number (17110853760).

Almost surely, 2^135122574623 is an apocalyptic number.

135122574623 is a deficient number, since it is larger than the sum of its proper divisors (1764255457).

135122574623 is an equidigital number, since it uses as much as digits as its factorization.

135122574623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673117.

The product of its digits is 302400, while the sum is 41.

The spelling of 135122574623 in words is "one hundred thirty-five billion, one hundred twenty-two million, five hundred seventy-four thousand, six hundred twenty-three".