147823581380 has 12 divisors (see below), whose sum is σ = 310429520940. Its totient is φ = 59129432544.

The previous prime is 147823581371. The next prime is 147823581397. The reversal of 147823581380 is 83185328741.

147823581380 is digitally balanced in base 3, 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 100124147776 + 47699433604 = 316424^2 + 218402^2 .

It is a super-2 number, since 2×147823581380² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3695589515 + ... + 3695589554.

It is an arithmetic number, because the mean of its divisors is an integer number (25869126745).

Almost surely, 2^147823581380 is an apocalyptic number.

147823581380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147823581380 is an abundant number, since it is smaller than the sum of its proper divisors (162605939560).

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

147823581380 is a wasteful number, since it uses less digits than its factorization.

147823581380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7391179078 (or 7391179076 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 147823581380 in words is "one hundred forty-seven billion, eight hundred twenty-three million, five hundred eighty-one thousand, three hundred eighty".