134687461 has 2 divisors, whose sum is σ = 134687462. Its totient is φ = 134687460.

The previous prime is 134687459. The next prime is 134687489. The reversal of 134687461 is 164786431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77986561 + 56700900 = 8831^2 + 7530^2 .

It is a cyclic number.

It is not a de Polignac number, because 134687461 - 2¹ = 134687459 is a prime.

Together with 134687459, it forms a pair of twin primes.

It is equal to p_7628665 and since 134687461 and 7628665 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 (134687401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67343730 + 67343731.

It is an arithmetic number, because the mean of its divisors is an integer number (67343731).

Almost surely, 2^134687461 is an apocalyptic number.

It is an amenable number.

134687461 is a deficient number, since it is larger than the sum of its proper divisors (1).

134687461 is an equidigital number, since it uses as much as digits as its factorization.

134687461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 134687461 is about 11605.4927081964. The cubic root of 134687461 is about 512.5966009458.

The spelling of 134687461 in words is "one hundred thirty-four million, six hundred eighty-seven thousand, four hundred sixty-one".