134214440 has 32 divisors (see below), whose sum is σ = 302676480. Its totient is φ = 53562432.

The previous prime is 134214419. The next prime is 134214449. The reversal of 134214440 is 44412431.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (134214449) 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, 14897 + ... + 22143.

It is an arithmetic number, because the mean of its divisors is an integer number (9458640).

Almost surely, 2^134214440 is an apocalyptic number.

134214440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134214440 is an abundant number, since it is smaller than the sum of its proper divisors (168462040).

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

134214440 is a wasteful number, since it uses less digits than its factorization.

134214440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7721 (or 7717 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 134214440 is about 11585.0955973613. The cubic root of 134214440 is about 511.9958190577.

Adding to 134214440 its reverse (44412431), we get a palindrome (178626871).

The spelling of 134214440 in words is "one hundred thirty-four million, two hundred fourteen thousand, four hundred forty".