134426656332605 has 24 divisors (see below), whose sum is σ = 202083149304792. Its totient is φ = 85087641808512.

The previous prime is 134426656332601. The next prime is 134426656332607. The reversal of 134426656332605 is 506233656624431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6523268456761 + 127903387875844 = 2554069^2 + 11309438^2 .

It is not a de Polignac number, because 134426656332605 - 2² = 134426656332601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134426656332601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21103082582 + ... + 21103088951.

It is an arithmetic number, because the mean of its divisors is an integer number (8420131221033).

Almost surely, 2^{134426656332605} is an apocalyptic number.

It is an amenable number.

134426656332605 is a deficient number, since it is larger than the sum of its proper divisors (67656492972187).

134426656332605 is a wasteful number, since it uses less digits than its factorization.

134426656332605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42206171565 (or 42206171558 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 56.

The spelling of 134426656332605 in words is "one hundred thirty-four trillion, four hundred twenty-six billion, six hundred fifty-six million, three hundred thirty-two thousand, six hundred five".