134198897 has 6 divisors (see below), whose sum is σ = 156108978. Its totient is φ = 115027584.

The previous prime is 134198879. The next prime is 134198899. The reversal of 134198897 is 798891431.

It can be written as a sum of positive squares in only one way, i.e., 76195441 + 58003456 = 8729^2 + 7616^2 .

It is not a de Polignac number, because 134198897 - 2⁸ = 134198641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134198899) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1369328 + ... + 1369425.

It is an arithmetic number, because the mean of its divisors is an integer number (26018163).

Almost surely, 2^134198897 is an apocalyptic number.

It is an amenable number.

134198897 is a deficient number, since it is larger than the sum of its proper divisors (21910081).

134198897 is an equidigital number, since it uses as much as digits as its factorization.

134198897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2738767 (or 2738760 counting only the distinct ones).

The product of its digits is 435456, while the sum is 50.

The square root of 134198897 is about 11584.4247591324. The cubic root of 134198897 is about 511.9760540253.

The spelling of 134198897 in words is "one hundred thirty-four million, one hundred ninety-eight thousand, eight hundred ninety-seven".