134687907 has 16 divisors (see below), whose sum is σ = 200254080. Its totient is φ = 89469576.

The previous prime is 134687897. The next prime is 134687909. The reversal of 134687907 is 709786431.

It is not a de Polignac number, because 134687907 - 2¹⁰ = 134686883 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (134687909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1173 + ... + 16454.

It is an arithmetic number, because the mean of its divisors is an integer number (12515880).

Almost surely, 2^134687907 is an apocalyptic number.

134687907 is a deficient number, since it is larger than the sum of its proper divisors (65566173).

134687907 is a wasteful number, since it uses less digits than its factorization.

134687907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17919 (or 17913 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 134687907 is about 11605.5119232199. The cubic root of 134687907 is about 512.5971667442.

It can be divided in two parts, 1346 and 87907, that added together give a triangular number (89253 = T₄₂₂).

The spelling of 134687907 in words is "one hundred thirty-four million, six hundred eighty-seven thousand, nine hundred seven".