134187786 has 16 divisors (see below), whose sum is σ = 298195200. Its totient is φ = 44729244.

The previous prime is 134187769. The next prime is 134187791. The reversal of 134187786 is 687781431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1242426 + ... + 1242533.

It is an arithmetic number, because the mean of its divisors is an integer number (18637200).

Almost surely, 2^134187786 is an apocalyptic number.

134187786 is an abundant number, since it is smaller than the sum of its proper divisors (164007414).

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

134187786 is a wasteful number, since it uses less digits than its factorization.

134187786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484970 (or 2484964 counting only the distinct ones).

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

The square root of 134187786 is about 11583.9451828813. The cubic root of 134187786 is about 511.9619239466.

The spelling of 134187786 in words is "one hundred thirty-four million, one hundred eighty-seven thousand, seven hundred eighty-six".