134661205143 has 12 divisors (see below), whose sum is σ = 196972790560. Its totient is φ = 88637754816.

The previous prime is 134661205109. The next prime is 134661205183. The reversal of 134661205143 is 341502166431.

134661205143 is a `hidden beast` number, since 1 + 34 + 6 + 612 + 0 + 5 + 1 + 4 + 3 = 666.

It is not a de Polignac number, because 134661205143 - 2¹³ = 134661196951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134661205098 and 134661205107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134661205183) 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, 94697746 + ... + 94699167.

Almost surely, 2^134661205143 is an apocalyptic number.

134661205143 is a deficient number, since it is larger than the sum of its proper divisors (62311585417).

134661205143 is a wasteful number, since it uses less digits than its factorization.

134661205143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189396998 (or 189396995 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 134661205143 in words is "one hundred thirty-four billion, six hundred sixty-one million, two hundred five thousand, one hundred forty-three".