147439388 has 12 divisors (see below), whose sum is σ = 258415080. Its totient is φ = 73606512.

The previous prime is 147439387. The next prime is 147439399. The reversal of 147439388 is 883934741.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147439387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25331 + ... + 30602.

It is an arithmetic number, because the mean of its divisors is an integer number (21534590).

Almost surely, 2^147439388 is an apocalyptic number.

It is an amenable number.

147439388 is a deficient number, since it is larger than the sum of its proper divisors (110975692).

147439388 is a wasteful number, since it uses less digits than its factorization.

147439388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56596 (or 56594 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 147439388 is about 12142.4621885349. The cubic root of 147439388 is about 528.2885198074.

The spelling of 147439388 in words is "one hundred forty-seven million, four hundred thirty-nine thousand, three hundred eighty-eight".