134049963981 has 8 divisors (see below), whose sum is σ = 180886698720. Its totient is φ = 88289935952.

The previous prime is 134049963961. The next prime is 134049963991. The reversal of 134049963981 is 189369940431.

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

It is a cyclic number.

It is not a de Polignac number, because 134049963981 - 2²³ = 134041575373 is a prime.

It is a super-2 number, since 2×134049963981² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134049963911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269176386 + ... + 269176883.

It is an arithmetic number, because the mean of its divisors is an integer number (22610837340).

Almost surely, 2^134049963981 is an apocalyptic number.

It is an amenable number.

134049963981 is a deficient number, since it is larger than the sum of its proper divisors (46836734739).

134049963981 is an equidigital number, since it uses as much as digits as its factorization.

134049963981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538353355.

The product of its (nonzero) digits is 5038848, while the sum is 57.

The spelling of 134049963981 in words is "one hundred thirty-four billion, forty-nine million, nine hundred sixty-three thousand, nine hundred eighty-one".