134800187 has 2 divisors, whose sum is σ = 134800188. Its totient is φ = 134800186.

The previous prime is 134800177. The next prime is 134800199. The reversal of 134800187 is 781008431.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134800187 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (134800177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67400093 + 67400094.

It is an arithmetic number, because the mean of its divisors is an integer number (67400094).

Almost surely, 2^134800187 is an apocalyptic number.

134800187 is a deficient number, since it is larger than the sum of its proper divisors (1).

134800187 is an equidigital number, since it uses as much as digits as its factorization.

134800187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 134800187 is about 11610.3482721235. The cubic root of 134800187 is about 512.7395661264.

The spelling of 134800187 in words is "one hundred thirty-four million, eight hundred thousand, one hundred eighty-seven".