134436231643 has 8 divisors (see below), whose sum is σ = 153841207520. Its totient is φ = 115081205760.

The previous prime is 134436231547. The next prime is 134436231649. The reversal of 134436231643 is 346132634431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134436231643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134436231596 and 134436231605.

It is not an unprimeable number, because it can be changed into a prime (134436231649) 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, 12481728 + ... + 12492493.

It is an arithmetic number, because the mean of its divisors is an integer number (19230150940).

Almost surely, 2^134436231643 is an apocalyptic number.

134436231643 is a deficient number, since it is larger than the sum of its proper divisors (19404975877).

134436231643 is an equidigital number, since it uses as much as digits as its factorization.

134436231643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24974997.

The product of its digits is 373248, while the sum is 40.

The spelling of 134436231643 in words is "one hundred thirty-four billion, four hundred thirty-six million, two hundred thirty-one thousand, six hundred forty-three".