196140549 has 8 divisors (see below), whose sum is σ = 285295392. Its totient is φ = 118873040.

The previous prime is 196140521. The next prime is 196140551. The reversal of 196140549 is 945041691.

196140549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 196140549 - 2⁷ = 196140421 is a prime.

It is a super-2 number, since 2×196140549² = 76942229924042802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196140149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2971794 + ... + 2971859.

It is an arithmetic number, because the mean of its divisors is an integer number (35661924).

Almost surely, 2^196140549 is an apocalyptic number.

It is an amenable number.

196140549 is a deficient number, since it is larger than the sum of its proper divisors (89154843).

196140549 is a wasteful number, since it uses less digits than its factorization.

196140549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5943667.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 196140549 is about 14005.0187075919. The cubic root of 196140549 is about 581.0173869543.

The spelling of 196140549 in words is "one hundred ninety-six million, one hundred forty thousand, five hundred forty-nine".