134423615406 has 64 divisors (see below), whose sum is σ = 280846976256. Its totient is φ = 42857337600.

The previous prime is 134423615399. The next prime is 134423615453. The reversal of 134423615406 is 604516324431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3458376 + ... + 3497028.

It is an arithmetic number, because the mean of its divisors is an integer number (4388234004).

Almost surely, 2^134423615406 is an apocalyptic number.

134423615406 is an abundant number, since it is smaller than the sum of its proper divisors (146423360850).

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

134423615406 is a wasteful number, since it uses less digits than its factorization.

134423615406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38977.

The product of its (nonzero) digits is 207360, while the sum is 39.

Adding to 134423615406 its reverse (604516324431), we get a palindrome (738939939837).

The spelling of 134423615406 in words is "one hundred thirty-four billion, four hundred twenty-three million, six hundred fifteen thousand, four hundred six".