134942503671 has 18 divisors (see below), whose sum is σ = 203760069968. Its totient is φ = 86050289160.

The previous prime is 134942503669. The next prime is 134942503679. The reversal of 134942503671 is 176305249431.

134942503671 is a `hidden beast` number, since 1 + 3 + 49 + 42 + 503 + 67 + 1 = 666.

It is not a de Polignac number, because 134942503671 - 2¹ = 134942503669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134942503679) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14166895 + ... + 14176416.

Almost surely, 2^134942503671 is an apocalyptic number.

134942503671 is a deficient number, since it is larger than the sum of its proper divisors (68817566297).

134942503671 is a wasteful number, since it uses less digits than its factorization.

134942503671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28343363 (or 28343337 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 134942503671 in words is "one hundred thirty-four billion, nine hundred forty-two million, five hundred three thousand, six hundred seventy-one".