134172730256640 has 288 divisors, whose sum is σ = 457543946280960. Its totient is φ = 33427866329088.

The previous prime is 134172730256639. The next prime is 134172730256693. The reversal of 134172730256640 is 46652037271431.

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, 13866960 + ... + 21462479.

It is an arithmetic number, because the mean of its divisors is an integer number (1588694257920).

Almost surely, 2^{134172730256640} is an apocalyptic number.

134172730256640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134172730256640 is an abundant number, since it is smaller than the sum of its proper divisors (323371216024320).

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

134172730256640 is a wasteful number, since it uses less digits than its factorization.

134172730256640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35329529 (or 35329515 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 51.

The spelling of 134172730256640 in words is "one hundred thirty-four trillion, one hundred seventy-two billion, seven hundred thirty million, two hundred fifty-six thousand, six hundred forty".