147391887312 has 60 divisors (see below), whose sum is σ = 413900516484. Its totient is φ = 48962933760.

The previous prime is 147391887311. The next prime is 147391887329. The reversal of 147391887312 is 213788193741.

147391887312 is a `hidden beast` number, since 1 + 473 + 91 + 8 + 8 + 73 + 12 = 666.

147391887312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 136054748736 + 11337138576 = 368856^2 + 106476^2 .

It is a super-3 number, since 3×147391887312³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147391887311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1704489 + ... + 1788872.

Almost surely, 2^147391887312 is an apocalyptic number.

147391887312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

147391887312 is an abundant number, since it is smaller than the sum of its proper divisors (266508629172).

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

147391887312 is a wasteful number, since it uses less digits than its factorization.

147391887312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3493668 (or 3493659 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The spelling of 147391887312 in words is "one hundred forty-seven billion, three hundred ninety-one million, eight hundred eighty-seven thousand, three hundred twelve".