147639081720 has 128 divisors (see below), whose sum is σ = 477222580800. Its totient is φ = 36324040704.

The previous prime is 147639081719. The next prime is 147639081749. The reversal of 147639081720 is 27180936741.

It is a happy number.

It is a super-2 number, since 2×147639081720² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 147639081720.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3299014 + ... + 3343466.

Almost surely, 2^147639081720 is an apocalyptic number.

147639081720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147639081720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238611290400).

147639081720 is an abundant number, since it is smaller than the sum of its proper divisors (329583499080).

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

147639081720 is a wasteful number, since it uses less digits than its factorization.

147639081720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46609 (or 46605 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The spelling of 147639081720 in words is "one hundred forty-seven billion, six hundred thirty-nine million, eighty-one thousand, seven hundred twenty".