134396787 has 8 divisors (see below), whose sum is σ = 204795136. Its totient is φ = 76798152.

The previous prime is 134396767. The next prime is 134396789. The reversal of 134396787 is 787693431.

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

It is not a de Polignac number, because 134396787 - 2⁸ = 134396531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134396789) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3199903 + ... + 3199944.

It is an arithmetic number, because the mean of its divisors is an integer number (25599392).

Almost surely, 2^134396787 is an apocalyptic number.

134396787 is a deficient number, since it is larger than the sum of its proper divisors (70398349).

134396787 is an equidigital number, since it uses as much as digits as its factorization.

134396787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6399857.

The product of its digits is 762048, while the sum is 48.

The square root of 134396787 is about 11592.9628223332. The cubic root of 134396787 is about 512.2275841164.

The spelling of 134396787 in words is "one hundred thirty-four million, three hundred ninety-six thousand, seven hundred eighty-seven".