134240363243 has 8 divisors (see below), whose sum is σ = 153454479360. Its totient is φ = 115035477480.

The previous prime is 134240363239. The next prime is 134240363267. The reversal of 134240363243 is 342363042431.

It is a happy number.

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

It is not a de Polignac number, because 134240363243 - 2² = 134240363239 is a prime.

It is a super-2 number, since 2×134240363243² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134240363203) 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, 2276393 + ... + 2334618.

It is an arithmetic number, because the mean of its divisors is an integer number (19181809920).

Almost surely, 2^134240363243 is an apocalyptic number.

134240363243 is a deficient number, since it is larger than the sum of its proper divisors (19214116117).

134240363243 is an equidigital number, since it uses as much as digits as its factorization.

134240363243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4615177.

The product of its (nonzero) digits is 124416, while the sum is 35.

The spelling of 134240363243 in words is "one hundred thirty-four billion, two hundred forty million, three hundred sixty-three thousand, two hundred forty-three".