134969471941977 has 12 divisors (see below), whose sum is σ = 194958652592704. Its totient is φ = 89978379341400.

The previous prime is 134969471941903. The next prime is 134969471942017. The reversal of 134969471941977 is 779149174969431.

134969471941977 is a `hidden beast` number, since 1 + 3 + 4 + 9 + 69 + 4 + 71 + 9 + 419 + 77 = 666.

It is not a de Polignac number, because 134969471941977 - 2⁷ = 134969471941849 is a prime.

It is a super-2 number, since 2×134969471941977² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134969471941896 and 134969471941905.

It is not an unprimeable number, because it can be changed into a prime (134969471941177) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105044293 + ... + 106321410.

Almost surely, 2^{134969471941977} is an apocalyptic number.

It is an amenable number.

134969471941977 is a deficient number, since it is larger than the sum of its proper divisors (59989180650727).

134969471941977 is a wasteful number, since it uses less digits than its factorization.

134969471941977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211436660 (or 211436657 counting only the distinct ones).

The product of its digits is 2592487296, while the sum is 81.

The spelling of 134969471941977 in words is "one hundred thirty-four trillion, nine hundred sixty-nine billion, four hundred seventy-one million, nine hundred forty-one thousand, nine hundred seventy-seven".