134747780774707 has 16 divisors (see below), whose sum is σ = 143718020183232. Its totient is φ = 125893562168320.

The previous prime is 134747780774699. The next prime is 134747780774729. The reversal of 134747780774707 is 707477087747431.

It is not a de Polignac number, because 134747780774707 - 2³ = 134747780774699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134747780774707.

It is not an unprimeable number, because it can be changed into a prime (134747780774797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143237457 + ... + 144175117.

It is an arithmetic number, because the mean of its divisors is an integer number (8982376261452).

Almost surely, 2^{134747780774707} is an apocalyptic number.

134747780774707 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

134747780774707 is a deficient number, since it is larger than the sum of its proper divisors (8970239408525).

134747780774707 is a wasteful number, since it uses less digits than its factorization.

134747780774707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999518.

The product of its (nonzero) digits is 1264962048, while the sum is 73.

The spelling of 134747780774707 in words is "one hundred thirty-four trillion, seven hundred forty-seven billion, seven hundred eighty million, seven hundred seventy-four thousand, seven hundred seven".