134728380965 has 8 divisors (see below), whose sum is σ = 161703641088. Its totient is φ = 107762982160.

The previous prime is 134728380949. The next prime is 134728380971. The reversal of 134728380965 is 569083827431.

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

It is not a de Polignac number, because 134728380965 - 2⁴ = 134728380949 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 134728380965.

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, 2435237 + ... + 2489946.

It is an arithmetic number, because the mean of its divisors is an integer number (20212955136).

It is a 1-persistent number, because it is pandigital, but 2⋅134728380965 = 269456761930 is not.

Almost surely, 2^134728380965 is an apocalyptic number.

It is an amenable number.

134728380965 is a deficient number, since it is larger than the sum of its proper divisors (26975260123).

134728380965 is an equidigital number, since it uses as much as digits as its factorization.

134728380965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4930659.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 134728380965 in words is "one hundred thirty-four billion, seven hundred twenty-eight million, three hundred eighty thousand, nine hundred sixty-five".