147386917840 has 20 divisors (see below), whose sum is σ = 342674584164. Its totient is φ = 58954767104.

The previous prime is 147386917837. The next prime is 147386917871. The reversal of 147386917840 is 48719683741.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 70826241424 + 76560676416 = 266132^2 + 276696^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921168157 + ... + 921168316.

Almost surely, 2^147386917840 is an apocalyptic number.

147386917840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147386917840 is an abundant number, since it is smaller than the sum of its proper divisors (195287666324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147386917840 is a wasteful number, since it uses less digits than its factorization.

147386917840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842336486 (or 1842336480 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 147386917840 in words is "one hundred forty-seven billion, three hundred eighty-six million, nine hundred seventeen thousand, eight hundred forty".