134396657 has 2 divisors, whose sum is σ = 134396658. Its totient is φ = 134396656.

The previous prime is 134396653. The next prime is 134396741. The reversal of 134396657 is 756693431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72318016 + 62078641 = 8504^2 + 7879^2 .

It is a cyclic number.

It is not a de Polignac number, because 134396657 - 2² = 134396653 is a prime.

It is a super-2 number, since 2×134396657² = 36124922825551298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (134396653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67198328 + 67198329.

It is an arithmetic number, because the mean of its divisors is an integer number (67198329).

Almost surely, 2^134396657 is an apocalyptic number.

It is an amenable number.

134396657 is a deficient number, since it is larger than the sum of its proper divisors (1).

134396657 is an equidigital number, since it uses as much as digits as its factorization.

134396657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 44.

The square root of 134396657 is about 11592.9572154822. The cubic root of 134396657 is about 512.2274189596.

The spelling of 134396657 in words is "one hundred thirty-four million, three hundred ninety-six thousand, six hundred fifty-seven".