196433137 has 2 divisors, whose sum is σ = 196433138. Its totient is φ = 196433136.

The previous prime is 196433131. The next prime is 196433141. The reversal of 196433137 is 731334691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 175721536 + 20711601 = 13256^2 + 4551^2 .

It is an emirp because it is prime and its reverse (731334691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196433137 - 2¹¹ = 196431089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 196433096 and 196433105.

It is not a weakly prime, because it can be changed into another prime (196433131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98216568 + 98216569.

It is an arithmetic number, because the mean of its divisors is an integer number (98216569).

Almost surely, 2^196433137 is an apocalyptic number.

It is an amenable number.

196433137 is a deficient number, since it is larger than the sum of its proper divisors (1).

196433137 is an equidigital number, since it uses as much as digits as its factorization.

196433137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 37.

The square root of 196433137 is about 14015.4606417342. The cubic root of 196433137 is about 581.3061497073.

The spelling of 196433137 in words is "one hundred ninety-six million, four hundred thirty-three thousand, one hundred thirty-seven".