134220140 has 24 divisors (see below), whose sum is σ = 282517200. Its totient is φ = 53563328.

The previous prime is 134220137. The next prime is 134220143. The reversal of 134220140 is 41022431.

It is an interprime number because it is at equal distance from previous prime (134220137) and next prime (134220143).

It is not an unprimeable number, because it can be changed into a prime (134220143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1286 + ... + 16434.

It is an arithmetic number, because the mean of its divisors is an integer number (11771550).

Almost surely, 2^134220140 is an apocalyptic number.

134220140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134220140 is an abundant number, since it is smaller than the sum of its proper divisors (148297060).

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

134220140 is a wasteful number, since it uses less digits than its factorization.

134220140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15601 (or 15599 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 134220140 is about 11585.3416004881. The cubic root of 134220140 is about 512.0030669982.

Adding to 134220140 its reverse (41022431), we get a palindrome (175242571).

The spelling of 134220140 in words is "one hundred thirty-four million, two hundred twenty thousand, one hundred forty".