147579939 has 48 divisors (see below), whose sum is σ = 239514912. Its totient is φ = 86966784.

The previous prime is 147579919. The next prime is 147579997. The reversal of 147579939 is 939975741.

It is a happy number.

It is not a de Polignac number, because 147579939 - 2⁸ = 147579683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147579919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 315784 + ... + 316250.

It is an arithmetic number, because the mean of its divisors is an integer number (4989894).

Almost surely, 2^147579939 is an apocalyptic number.

147579939 is a deficient number, since it is larger than the sum of its proper divisors (91934973).

147579939 is a wasteful number, since it uses less digits than its factorization.

147579939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596 (or 593 counting only the distinct ones).

The product of its digits is 2143260, while the sum is 54.

The square root of 147579939 is about 12148.2483922580. The cubic root of 147579939 is about 528.4563354301.

The spelling of 147579939 in words is "one hundred forty-seven million, five hundred seventy-nine thousand, nine hundred thirty-nine".