134155668969 has 48 divisors (see below), whose sum is σ = 224864640000. Its totient is φ = 75491340768.

The previous prime is 134155668869. The next prime is 134155668973. The reversal of 134155668969 is 969866551431.

134155668969 is a `hidden beast` number, since 1 + 3 + 4 + 1 + 5 + 566 + 8 + 9 + 69 = 666.

It is not a de Polignac number, because 134155668969 - 2¹³ = 134155660777 is a prime.

It is a super-2 number, since 2×134155668969² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (134155668869) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1103782 + ... + 1219280.

It is an arithmetic number, because the mean of its divisors is an integer number (4684680000).

Almost surely, 2^134155668969 is an apocalyptic number.

It is an amenable number.

134155668969 is a deficient number, since it is larger than the sum of its proper divisors (90708971031).

134155668969 is a wasteful number, since it uses less digits than its factorization.

134155668969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115794 (or 115791 counting only the distinct ones).

The product of its digits is 41990400, while the sum is 63.

The spelling of 134155668969 in words is "one hundred thirty-four billion, one hundred fifty-five million, six hundred sixty-eight thousand, nine hundred sixty-nine".