134142340 has 12 divisors (see below), whose sum is σ = 281698956. Its totient is φ = 53656928.

The previous prime is 134142331. The next prime is 134142383. The reversal of 134142340 is 43241431.

It can be written as a sum of positive squares in 2 ways, for example, as 65318724 + 68823616 = 8082^2 + 8296^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3353539 + ... + 3353578.

It is an arithmetic number, because the mean of its divisors is an integer number (23474913).

Almost surely, 2^134142340 is an apocalyptic number.

134142340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134142340 is an abundant number, since it is smaller than the sum of its proper divisors (147556616).

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

134142340 is a wasteful number, since it uses less digits than its factorization.

134142340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6707126 (or 6707124 counting only the distinct ones).

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

The square root of 134142340 is about 11581.9834225404. The cubic root of 134142340 is about 511.9041212474.

Adding to 134142340 its reverse (43241431), we get a palindrome (177383771).

Subtracting from 134142340 its reverse (43241431), we obtain a palindrome (90900909).

It can be divided in two parts, 1341 and 42340, that added together give a square (43681 = 209²).

The spelling of 134142340 in words is "one hundred thirty-four million, one hundred forty-two thousand, three hundred forty".