134720056761 has 8 divisors (see below), whose sum is σ = 179634646560. Its totient is φ = 89809419072.

The previous prime is 134720056747. The next prime is 134720056813. The reversal of 134720056761 is 167650027431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134720056761 - 2⁵ = 134720056729 is a prime.

It is a super-2 number, since 2×134720056761² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134720056721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 907551 + ... + 1045508.

It is an arithmetic number, because the mean of its divisors is an integer number (22454330820).

Almost surely, 2^134720056761 is an apocalyptic number.

It is an amenable number.

134720056761 is a deficient number, since it is larger than the sum of its proper divisors (44914589799).

134720056761 is a wasteful number, since it uses less digits than its factorization.

134720056761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976055.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 134720056761 in words is "one hundred thirty-four billion, seven hundred twenty million, fifty-six thousand, seven hundred sixty-one".