134445556669 has 8 divisors (see below), whose sum is σ = 142358586048. Its totient is φ = 126533023680.

The previous prime is 134445556621. The next prime is 134445556709. The reversal of 134445556669 is 966655544431.

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

It is not a de Polignac number, because 134445556669 - 2²⁵ = 134412002237 is a prime.

It is a super-2 number, since 2×134445556669² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134445550669) 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, 532984 + ... + 743614.

It is an arithmetic number, because the mean of its divisors is an integer number (17794823256).

Almost surely, 2^134445556669 is an apocalyptic number.

It is an amenable number.

134445556669 is a deficient number, since it is larger than the sum of its proper divisors (7913029379).

134445556669 is a wasteful number, since it uses less digits than its factorization.

134445556669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248195.

The product of its digits is 46656000, while the sum is 58.

The spelling of 134445556669 in words is "one hundred thirty-four billion, four hundred forty-five million, five hundred fifty-six thousand, six hundred sixty-nine".