133493823560 has 32 divisors (see below), whose sum is σ = 303979919040. Its totient is φ = 52754184384.

The previous prime is 133493823539. The next prime is 133493823577. The reversal of 133493823560 is 65328394331.

It is a happy number.

It is a super-2 number, since 2×133493823560² (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 7 ways as a sum of consecutive naturals, for example, 20101172 + ... + 20107811.

It is an arithmetic number, because the mean of its divisors is an integer number (9499372470).

Almost surely, 2^133493823560 is an apocalyptic number.

133493823560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133493823560 is an abundant number, since it is smaller than the sum of its proper divisors (170486095480).

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

133493823560 is a wasteful number, since it uses less digits than its factorization.

133493823560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40209077 (or 40209073 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 47.

The spelling of 133493823560 in words is "one hundred thirty-three billion, four hundred ninety-three million, eight hundred twenty-three thousand, five hundred sixty".