134045240140 has 96 divisors (see below), whose sum is σ = 334546329600. Its totient is φ = 44141018880.

The previous prime is 134045240117. The next prime is 134045240143. The reversal of 134045240140 is 41042540431.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 134045240099 and 134045240108.

It is not an unprimeable number, because it can be changed into a prime (134045240143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 689031 + ... + 861889.

It is an arithmetic number, because the mean of its divisors is an integer number (3484857600).

Almost surely, 2^134045240140 is an apocalyptic number.

134045240140 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 134045240140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167273164800).

134045240140 is an abundant number, since it is smaller than the sum of its proper divisors (200501089460).

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

134045240140 is a wasteful number, since it uses less digits than its factorization.

134045240140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173095 (or 173093 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 134045240140 its reverse (41042540431), we get a palindrome (175087780571).

The spelling of 134045240140 in words is "one hundred thirty-four billion, forty-five million, two hundred forty thousand, one hundred forty".