147189436 has 6 divisors (see below), whose sum is σ = 257581520. Its totient is φ = 73594716.

The previous prime is 147189433. The next prime is 147189437. The reversal of 147189436 is 634981741.

It is a junction number, because it is equal to n+sod(n) for n = 147189392 and 147189401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147189433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18398676 + ... + 18398683.

Almost surely, 2^147189436 is an apocalyptic number.

It is an amenable number.

147189436 is a deficient number, since it is larger than the sum of its proper divisors (110392084).

147189436 is a wasteful number, since it uses less digits than its factorization.

147189436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36797363 (or 36797361 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 147189436 is about 12132.1653467137. The cubic root of 147189436 is about 527.9898174881.

The spelling of 147189436 in words is "one hundred forty-seven million, one hundred eighty-nine thousand, four hundred thirty-six".