134123111144240 has 80 divisors (see below), whose sum is σ = 320231183892480. Its totient is φ = 52224081611520.

The previous prime is 134123111144227. The next prime is 134123111144249. The reversal of 134123111144240 is 42441111321431.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 134123111144197 and 134123111144206.

It is not an unprimeable number, because it can be changed into a prime (134123111144249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149002064 + ... + 149899503.

It is an arithmetic number, because the mean of its divisors is an integer number (4002889798656).

Almost surely, 2^{134123111144240} is an apocalyptic number.

134123111144240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134123111144240 is an abundant number, since it is smaller than the sum of its proper divisors (186108072748240).

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

134123111144240 is a wasteful number, since it uses less digits than its factorization.

134123111144240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298901730 (or 298901724 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

Adding to 134123111144240 its reverse (42441111321431), we get a palindrome (176564222465671).

The spelling of 134123111144240 in words is "one hundred thirty-four trillion, one hundred twenty-three billion, one hundred eleven million, one hundred forty-four thousand, two hundred forty".