136471 has 2 divisors, whose sum is σ = 136472. Its totient is φ = 136470.

The previous prime is 136463. The next prime is 136481. The reversal of 136471 is 174631.

It is a weak prime.

It is an emirp because it is prime and its reverse (174631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136471 - 2³ = 136463 is a prime.

It is a super-3 number, since 3×136471³ = 7625044390845333, which contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68235 + 68236.

It is an arithmetic number, because the mean of its divisors is an integer number (68236).

2¹³⁶⁴⁷¹ is an apocalyptic number.

136471 is a deficient number, since it is larger than the sum of its proper divisors (1).

136471 is an equidigital number, since it uses as much as digits as its factorization.

136471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 22.

The square root of 136471 is about 369.4198153862. The cubic root of 136471 is about 51.4849297659.

The spelling of 136471 in words is "one hundred thirty-six thousand, four hundred seventy-one".