134342140 has 24 divisors (see below), whose sum is σ = 285521040. Its totient is φ = 53088768.

The previous prime is 134342137. The next prime is 134342167. The reversal of 134342140 is 41243431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38805 + ... + 42124.

It is an arithmetic number, because the mean of its divisors is an integer number (11896710).

Almost surely, 2^134342140 is an apocalyptic number.

134342140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134342140 is an abundant number, since it is smaller than the sum of its proper divisors (151178900).

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

134342140 is a wasteful number, since it uses less digits than its factorization.

134342140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81021 (or 81019 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 134342140 is about 11590.6056787383. The cubic root of 134342140 is about 512.1581491838.

Adding to 134342140 its reverse (41243431), we get a palindrome (175585571).

The spelling of 134342140 in words is "one hundred thirty-four million, three hundred forty-two thousand, one hundred forty".