198137413 has 2 divisors, whose sum is σ = 198137414. Its totient is φ = 198137412.

The previous prime is 198137393. The next prime is 198137437. The reversal of 198137413 is 314731891.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133125444 + 65011969 = 11538^2 + 8063^2 .

It is a cyclic number.

It is not a de Polignac number, because 198137413 - 2⁹ = 198136901 is a prime.

It is a super-3 number, since 3×198137413³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198137473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99068706 + 99068707.

It is an arithmetic number, because the mean of its divisors is an integer number (99068707).

Almost surely, 2^198137413 is an apocalyptic number.

It is an amenable number.

198137413 is a deficient number, since it is larger than the sum of its proper divisors (1).

198137413 is an equidigital number, since it uses as much as digits as its factorization.

198137413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 37.

The square root of 198137413 is about 14076.1291909388. The cubic root of 198137413 is about 582.9824702207.

The spelling of 198137413 in words is "one hundred ninety-eight million, one hundred thirty-seven thousand, four hundred thirteen".