134207140 has 24 divisors (see below), whose sum is σ = 289453752. Its totient is φ = 52231680.

The previous prime is 134207119. The next prime is 134207149. The reversal of 134207140 is 41702431.

It can be written as a sum of positive squares in 4 ways, for example, as 6471936 + 127735204 = 2544^2 + 11302^2 .

It is not an unprimeable number, because it can be changed into a prime (134207149) 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 7 ways as a sum of consecutive naturals, for example, 89941 + ... + 91420.

It is an arithmetic number, because the mean of its divisors is an integer number (12060573).

Almost surely, 2^134207140 is an apocalyptic number.

134207140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134207140 is an abundant number, since it is smaller than the sum of its proper divisors (155246612).

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

134207140 is a wasteful number, since it uses less digits than its factorization.

134207140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181407 (or 181405 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 134207140 is about 11584.7805330960. The cubic root of 134207140 is about 511.9865363077.

Adding to 134207140 its reverse (41702431), we get a palindrome (175909571).

The spelling of 134207140 in words is "one hundred thirty-four million, two hundred seven thousand, one hundred forty".