134790287 has 2 divisors, whose sum is σ = 134790288. Its totient is φ = 134790286.

The previous prime is 134790283. The next prime is 134790311. The reversal of 134790287 is 782097431.

It is a weak prime.

It is an emirp because it is prime and its reverse (782097431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134790287 - 2² = 134790283 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134790283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67395143 + 67395144.

It is an arithmetic number, because the mean of its divisors is an integer number (67395144).

Almost surely, 2^134790287 is an apocalyptic number.

134790287 is a deficient number, since it is larger than the sum of its proper divisors (1).

134790287 is an equidigital number, since it uses as much as digits as its factorization.

134790287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 134790287 is about 11609.9219204954. The cubic root of 134790287 is about 512.7270136068.

The spelling of 134790287 in words is "one hundred thirty-four million, seven hundred ninety thousand, two hundred eighty-seven".