134590997 has 2 divisors, whose sum is σ = 134590998. Its totient is φ = 134590996.

The previous prime is 134590979. The next prime is 134590999. The reversal of 134590997 is 799095431.

Together with previous prime (134590979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116942596 + 17648401 = 10814^2 + 4201^2 .

It is a cyclic number.

It is not a de Polignac number, because 134590997 - 2¹² = 134586901 is a prime.

It is a super-2 number, since 2×134590997² = 36229472946908018, which contains 22 as substring.

Together with 134590999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134590999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67295498 + 67295499.

It is an arithmetic number, because the mean of its divisors is an integer number (67295499).

Almost surely, 2^134590997 is an apocalyptic number.

It is an amenable number.

134590997 is a deficient number, since it is larger than the sum of its proper divisors (1).

134590997 is an equidigital number, since it uses as much as digits as its factorization.

134590997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 306180, while the sum is 47.

The square root of 134590997 is about 11601.3360006510. The cubic root of 134590997 is about 512.4741967576.

The spelling of 134590997 in words is "one hundred thirty-four million, five hundred ninety thousand, nine hundred ninety-seven".