134487511 has 2 divisors, whose sum is σ = 134487512. Its totient is φ = 134487510.

The previous prime is 134487461. The next prime is 134487523. The reversal of 134487511 is 115784431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134487511 - 2⁷ = 134487383 is a prime.

It is a super-2 number, since 2×134487511² = 36173781229950242, which contains 22 as substring.

It is equal to p_7618057 and since 134487511 and 7618057 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134487541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67243755 + 67243756.

It is an arithmetic number, because the mean of its divisors is an integer number (67243756).

Almost surely, 2^134487511 is an apocalyptic number.

134487511 is a deficient number, since it is larger than the sum of its proper divisors (1).

134487511 is an equidigital number, since it uses as much as digits as its factorization.

134487511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 34.

The square root of 134487511 is about 11596.8750532202. The cubic root of 134487511 is about 512.3428172345.

The spelling of 134487511 in words is "one hundred thirty-four million, four hundred eighty-seven thousand, five hundred eleven".