134177231 has 2 divisors, whose sum is σ = 134177232. Its totient is φ = 134177230.

The previous prime is 134177227. The next prime is 134177233. The reversal of 134177231 is 132771431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134177231 - 2² = 134177227 is a prime.

It is a super-2 number, since 2×134177231² = 36007058637654722, which contains 22 as substring.

Together with 134177233, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 134177194 and 134177203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134177233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67088615 + 67088616.

It is an arithmetic number, because the mean of its divisors is an integer number (67088616).

Almost surely, 2^134177231 is an apocalyptic number.

134177231 is a deficient number, since it is larger than the sum of its proper divisors (1).

134177231 is an equidigital number, since it uses as much as digits as its factorization.

134177231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528, while the sum is 29.

The square root of 134177231 is about 11583.4895864761. The cubic root of 134177231 is about 511.9485002217.

The spelling of 134177231 in words is "one hundred thirty-four million, one hundred seventy-seven thousand, two hundred thirty-one".