134421340 has 24 divisors (see below), whose sum is σ = 284321520. Its totient is φ = 53380608.

The previous prime is 134421337. The next prime is 134421377. The reversal of 134421340 is 43124431.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21397 + ... + 26956.

It is an arithmetic number, because the mean of its divisors is an integer number (11846730).

Almost surely, 2^134421340 is an apocalyptic number.

134421340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134421340 is an abundant number, since it is smaller than the sum of its proper divisors (149900180).

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

134421340 is a wasteful number, since it uses less digits than its factorization.

134421340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48501 (or 48499 counting only the distinct ones).

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

The square root of 134421340 is about 11594.0217353600. The cubic root of 134421340 is about 512.2587752342.

Adding to 134421340 its reverse (43124431), we get a palindrome (177545771).

The spelling of 134421340 in words is "one hundred thirty-four million, four hundred twenty-one thousand, three hundred forty".