134137187 has 2 divisors, whose sum is σ = 134137188. Its totient is φ = 134137186.

The previous prime is 134137183. The next prime is 134137243. The reversal of 134137187 is 781731431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134137187 - 2² = 134137183 is a prime.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (134137183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67068593 + 67068594.

It is an arithmetic number, because the mean of its divisors is an integer number (67068594).

Almost surely, 2^134137187 is an apocalyptic number.

134137187 is a deficient number, since it is larger than the sum of its proper divisors (1).

134137187 is an equidigital number, since it uses as much as digits as its factorization.

134137187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 35.

The square root of 134137187 is about 11581.7609628243. The cubic root of 134137187 is about 511.8975663304.

The spelling of 134137187 in words is "one hundred thirty-four million, one hundred thirty-seven thousand, one hundred eighty-seven".