134871786 has 24 divisors (see below), whose sum is σ = 333968544. Its totient is φ = 38534760.

The previous prime is 134871773. The next prime is 134871787. The reversal of 134871786 is 687178431.

134871786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (134871787) 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, 535080 + ... + 535331.

It is an arithmetic number, because the mean of its divisors is an integer number (13915356).

Almost surely, 2^134871786 is an apocalyptic number.

134871786 is an abundant number, since it is smaller than the sum of its proper divisors (199096758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134871786 is a wasteful number, since it uses less digits than its factorization.

134871786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070426 (or 1070423 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 134871786 is about 11613.4312758977. The cubic root of 134871786 is about 512.8303304474.

The spelling of 134871786 in words is "one hundred thirty-four million, eight hundred seventy-one thousand, seven hundred eighty-six".