134744680519 has 4 divisors (see below), whose sum is σ = 134838319680. Its totient is φ = 134651041360.

The previous prime is 134744680501. The next prime is 134744680541. The reversal of 134744680519 is 915086447431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134744680519 - 2¹³ = 134744672327 is a prime.

It is a super-2 number, since 2×134744680519² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134744680919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46817422 + ... + 46820299.

It is an arithmetic number, because the mean of its divisors is an integer number (33709579920).

Almost surely, 2^134744680519 is an apocalyptic number.

134744680519 is a deficient number, since it is larger than the sum of its proper divisors (93639161).

134744680519 is an equidigital number, since it uses as much as digits as its factorization.

134744680519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93639160.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 134744680519 in words is "one hundred thirty-four billion, seven hundred forty-four million, six hundred eighty thousand, five hundred nineteen".