134667688340 has 24 divisors (see below), whose sum is σ = 288138037320. Its totient is φ = 52850715008.

The previous prime is 134667688307. The next prime is 134667688417. The reversal of 134667688340 is 43886766431.

It can be written as a sum of positive squares in 4 ways, for example, as 54150220804 + 80517467536 = 232702^2 + 283756^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63521435 + ... + 63523554.

It is an arithmetic number, because the mean of its divisors is an integer number (12005751555).

Almost surely, 2^134667688340 is an apocalyptic number.

134667688340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134667688340 is an abundant number, since it is smaller than the sum of its proper divisors (153470348980).

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

134667688340 is a wasteful number, since it uses less digits than its factorization.

134667688340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127045051 (or 127045049 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 56.

The spelling of 134667688340 in words is "one hundred thirty-four billion, six hundred sixty-seven million, six hundred eighty-eight thousand, three hundred forty".