196137225 has 36 divisors (see below), whose sum is σ = 352060800. Its totient is φ = 104381280.

The previous prime is 196137199. The next prime is 196137229. The reversal of 196137225 is 522731691.

196137225 is a `hidden beast` number, since 19 + 613 + 7 + 2 + 25 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-196137225 is a prime.

It is a super-2 number, since 2×196137225² = 76939622061401250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 196137225.

It is not an unprimeable number, because it can be changed into a prime (196137229) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 188256 + ... + 189294.

Almost surely, 2^196137225 is an apocalyptic number.

196137225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

196137225 is a deficient number, since it is larger than the sum of its proper divisors (155923575).

196137225 is a wasteful number, since it uses less digits than its factorization.

196137225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894 (or 1886 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 196137225 is about 14004.9000353448. The cubic root of 196137225 is about 581.0141047625.

The spelling of 196137225 in words is "one hundred ninety-six million, one hundred thirty-seven thousand, two hundred twenty-five".