134012543621 has 8 divisors (see below), whose sum is σ = 146209534464. Its totient is φ = 121817891520.

The previous prime is 134012543603. The next prime is 134012543677. The reversal of 134012543621 is 126345210431.

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 134012543621 - 2⁶ = 134012543557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134012543321) 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, 463781 + ... + 695066.

It is an arithmetic number, because the mean of its divisors is an integer number (18276191808).

Almost surely, 2^134012543621 is an apocalyptic number.

134012543621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

134012543621 is a deficient number, since it is larger than the sum of its proper divisors (12196990843).

134012543621 is a wasteful number, since it uses less digits than its factorization.

134012543621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169371.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 134012543621 in words is "one hundred thirty-four billion, twelve million, five hundred forty-three thousand, six hundred twenty-one".