135332557578069 has 4 divisors (see below), whose sum is σ = 180443410104096. Its totient is φ = 90221705052044.

The previous prime is 135332557578019. The next prime is 135332557578079. The reversal of 135332557578069 is 960875755233531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135332557578069 - 2⁷ = 135332557577941 is a prime.

It is a super-2 number, since 2×135332557578069² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135332557577994 and 135332557578012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135332557578019) 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, 22555426263009 + ... + 22555426263014.

It is an arithmetic number, because the mean of its divisors is an integer number (45110852526024).

Almost surely, 2^{135332557578069} is an apocalyptic number.

It is an amenable number.

135332557578069 is a deficient number, since it is larger than the sum of its proper divisors (45110852526027).

135332557578069 is an equidigital number, since it uses as much as digits as its factorization.

135332557578069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45110852526026.

The product of its (nonzero) digits is 714420000, while the sum is 69.

The spelling of 135332557578069 in words is "one hundred thirty-five trillion, three hundred thirty-two billion, five hundred fifty-seven million, five hundred seventy-eight thousand, sixty-nine".