134690786 has 8 divisors (see below), whose sum is σ = 202682604. Its totient is φ = 67129920.

The previous prime is 134690741. The next prime is 134690807. The reversal of 134690786 is 687096431.

It can be written as a sum of positive squares in 2 ways, for example, as 131905225 + 2785561 = 11485^2 + 1669^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106955 + ... + 108206.

Almost surely, 2^134690786 is an apocalyptic number.

134690786 is a deficient number, since it is larger than the sum of its proper divisors (67991818).

134690786 is a wasteful number, since it uses less digits than its factorization.

134690786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215476.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 134690786 is about 11605.6359584471. The cubic root of 134690786 is about 512.6008190313.

The spelling of 134690786 in words is "one hundred thirty-four million, six hundred ninety thousand, seven hundred eighty-six".