134336987 has 8 divisors (see below), whose sum is σ = 135229440. Its totient is φ = 133448040.

The previous prime is 134336977. The next prime is 134336989. The reversal of 134336987 is 789633431.

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

It is a cyclic number.

It is not a de Polignac number, because 134336987 - 2²⁶ = 67228123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134336989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135062 + ... + 136052.

It is an arithmetic number, because the mean of its divisors is an integer number (16903680).

Almost surely, 2^134336987 is an apocalyptic number.

134336987 is a deficient number, since it is larger than the sum of its proper divisors (892453).

134336987 is an equidigital number, since it uses as much as digits as its factorization.

134336987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753.

The product of its digits is 326592, while the sum is 44.

The square root of 134336987 is about 11590.3833845132. The cubic root of 134336987 is about 512.1516007677.

The spelling of 134336987 in words is "one hundred thirty-four million, three hundred thirty-six thousand, nine hundred eighty-seven".