134471187 has 12 divisors (see below), whose sum is σ = 194467624. Its totient is φ = 89540640.

The previous prime is 134471143. The next prime is 134471203. The reversal of 134471187 is 781174431.

134471187 is a `hidden beast` number, since 1 + 3 + 4 + 471 + 187 = 666.

It is not a de Polignac number, because 134471187 - 2¹⁵ = 134438419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134471137) 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, 514 + ... + 16407.

Almost surely, 2^134471187 is an apocalyptic number.

134471187 is a deficient number, since it is larger than the sum of its proper divisors (59996437).

134471187 is a wasteful number, since it uses less digits than its factorization.

134471187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17810 (or 17807 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 134471187 is about 11596.1712215714. The cubic root of 134471187 is about 512.3220871248.

The spelling of 134471187 in words is "one hundred thirty-four million, four hundred seventy-one thousand, one hundred eighty-seven".