134312440 has 16 divisors (see below), whose sum is σ = 302203080. Its totient is φ = 53724960.

The previous prime is 134312419. The next prime is 134312443. The reversal of 134312440 is 44213431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134312443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1678866 + ... + 1678945.

Almost surely, 2^134312440 is an apocalyptic number.

134312440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134312440 is an abundant number, since it is smaller than the sum of its proper divisors (167890640).

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

134312440 is a wasteful number, since it uses less digits than its factorization.

134312440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357822 (or 3357818 counting only the distinct ones).

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

The square root of 134312440 is about 11589.3243979103. The cubic root of 134312440 is about 512.1204042188.

Adding to 134312440 its reverse (44213431), we get a palindrome (178525871).

Subtracting from 134312440 its reverse (44213431), we obtain a palindrome (90099009).

The spelling of 134312440 in words is "one hundred thirty-four million, three hundred twelve thousand, four hundred forty".