134140140 has 72 divisors (see below), whose sum is σ = 424595808. Its totient is φ = 34214400.

The previous prime is 134140121. The next prime is 134140157. The reversal of 134140140 is 41041431.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12061 + ... + 20340.

It is an arithmetic number, because the mean of its divisors is an integer number (5897164).

Almost surely, 2^134140140 is an apocalyptic number.

134140140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134140140 is an abundant number, since it is smaller than the sum of its proper divisors (290455668).

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

134140140 is a wasteful number, since it uses less digits than its factorization.

134140140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32439 (or 32434 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 134140140 is about 11581.8884470539. Note that the first 3 decimals coincide. The cubic root of 134140140 is about 511.9013227394.

Adding to 134140140 its reverse (41041431), we get a palindrome (175181571).

The spelling of 134140140 in words is "one hundred thirty-four million, one hundred forty thousand, one hundred forty".