147288939 has 8 divisors (see below), whose sum is σ = 224440320. Its totient is φ = 84165096.

The previous prime is 147288937. The next prime is 147288949. The reversal of 147288939 is 939882741.

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

It is not a de Polignac number, because 147288939 - 2¹ = 147288937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 147288891 and 147288900.

It is not an unprimeable number, because it can be changed into a prime (147288937) 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, 3506859 + ... + 3506900.

It is an arithmetic number, because the mean of its divisors is an integer number (28055040).

Almost surely, 2^147288939 is an apocalyptic number.

147288939 is a deficient number, since it is larger than the sum of its proper divisors (77151381).

147288939 is an equidigital number, since it uses as much as digits as its factorization.

147288939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7013769.

The product of its digits is 870912, while the sum is 51.

The square root of 147288939 is about 12136.2654469981. The cubic root of 147288939 is about 528.1087679102.

The spelling of 147288939 in words is "one hundred forty-seven million, two hundred eighty-eight thousand, nine hundred thirty-nine".