196074157 has 4 divisors (see below), whose sum is σ = 197618176. Its totient is φ = 194530140.

The previous prime is 196074143. The next prime is 196074161. The reversal of 196074157 is 751470691.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 751470691 = 19 ⋅39551089.

It is a cyclic number.

It is not a de Polignac number, because 196074157 - 2⁷ = 196074029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196074187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771819 + ... + 772072.

It is an arithmetic number, because the mean of its divisors is an integer number (49404544).

Almost surely, 2^196074157 is an apocalyptic number.

It is an amenable number.

196074157 is a deficient number, since it is larger than the sum of its proper divisors (1544019).

196074157 is a wasteful number, since it uses less digits than its factorization.

196074157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544018.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 196074157 is about 14002.6482138201. The cubic root of 196074157 is about 580.9518229837.

The spelling of 196074157 in words is "one hundred ninety-six million, seventy-four thousand, one hundred fifty-seven".