133644167140 has 48 divisors (see below), whose sum is σ = 307164078144. Its totient is φ = 48439555200.

The previous prime is 133644167113. The next prime is 133644167159. The reversal of 133644167140 is 41761446331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 133644167093 and 133644167102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 921831 + ... + 1056910.

It is an arithmetic number, because the mean of its divisors is an integer number (6399251628).

Almost surely, 2^133644167140 is an apocalyptic number.

133644167140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133644167140 is an abundant number, since it is smaller than the sum of its proper divisors (173519911004).

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

133644167140 is a wasteful number, since it uses less digits than its factorization.

133644167140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979068 (or 1979066 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 133644167140 in words is "one hundred thirty-three billion, six hundred forty-four million, one hundred sixty-seven thousand, one hundred forty".