147963191 has 8 divisors (see below), whose sum is σ = 156323520. Its totient is φ = 139820128.

The previous prime is 147963173. The next prime is 147963197. The reversal of 147963191 is 191369741.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147963191 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 (147963197) 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, 52916 + ... + 55641.

It is an arithmetic number, because the mean of its divisors is an integer number (19540440).

Almost surely, 2^147963191 is an apocalyptic number.

147963191 is a deficient number, since it is larger than the sum of its proper divisors (8360329).

147963191 is a wasteful number, since it uses less digits than its factorization.

147963191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108633.

The product of its digits is 40824, while the sum is 41.

The square root of 147963191 is about 12164.0121259394. The cubic root of 147963191 is about 528.9133914097.

The spelling of 147963191 in words is "one hundred forty-seven million, nine hundred sixty-three thousand, one hundred ninety-one".