134444203019 has 8 divisors (see below), whose sum is σ = 153652831968. Its totient is φ = 115236152640.

The previous prime is 134444203009. The next prime is 134444203067. The reversal of 134444203019 is 910302444431.

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

It is not a de Polignac number, because 134444203019 - 2¹⁶ = 134444137483 is a prime.

It is a super-2 number, since 2×134444203019² (a number of 23 digits) contains 22 as substring.

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 134444203019.

It is not an unprimeable number, because it can be changed into a prime (134444203009) 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, 629639 + ... + 815679.

It is an arithmetic number, because the mean of its divisors is an integer number (19206603996).

Almost surely, 2^134444203019 is an apocalyptic number.

134444203019 is a deficient number, since it is larger than the sum of its proper divisors (19208628949).

134444203019 is a wasteful number, since it uses less digits than its factorization.

134444203019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289285.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 134444203019 in words is "one hundred thirty-four billion, four hundred forty-four million, two hundred three thousand, nineteen".