134223040 has 56 divisors (see below), whose sum is σ = 365284512. Its totient is φ = 46018560.

The previous prime is 134223029. The next prime is 134223073. The reversal of 134223040 is 40322431.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 134222999 and 134223017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27721 + ... + 32200.

Almost surely, 2^134223040 is an apocalyptic number.

134223040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134223040 is an abundant number, since it is smaller than the sum of its proper divisors (231061472).

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

134223040 is an equidigital number, since it uses as much as digits as its factorization.

134223040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59945 (or 59935 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 134223040 is about 11585.4667579688. The cubic root of 134223040 is about 512.0067544682.

Adding to 134223040 its reverse (40322431), we get a palindrome (174545471).

The spelling of 134223040 in words is "one hundred thirty-four million, two hundred twenty-three thousand, forty".